diff --git a/test/core/end2end/end2end_tests.h b/test/core/end2end/end2end_tests.h
index 34af093..2230027 100644
--- a/test/core/end2end/end2end_tests.h
+++ b/test/core/end2end/end2end_tests.h
@@ -43,6 +43,7 @@
 #define FEATURE_MASK_SUPPORTS_HOSTNAME_VERIFICATION 2
 #define FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS 4
 #define FEATURE_MASK_SUPPORTS_REQUEST_PROXYING 8
+#define FEATURE_MASK_SUPPORTS_QUERY_ARGS 16
 
 #define FAIL_AUTH_CHECK_SERVER_ARG_NAME "fail_auth_check"
 
@@ -59,7 +60,8 @@
   grpc_end2end_test_fixture (*create_fixture)(grpc_channel_args *client_args,
                                               grpc_channel_args *server_args);
   void (*init_client)(grpc_end2end_test_fixture *f,
-                      grpc_channel_args *client_args);
+                      grpc_channel_args *client_args,
+                      const char *query_args);
   void (*init_server)(grpc_end2end_test_fixture *f,
                       grpc_channel_args *server_args);
   void (*tear_down_data)(grpc_end2end_test_fixture *f);
diff --git a/test/core/end2end/fixtures/h2_census.c b/test/core/end2end/fixtures/h2_census.c
index e46b39e..36c2d24 100644
--- a/test/core/end2end/fixtures/h2_census.c
+++ b/test/core/end2end/fixtures/h2_census.c
@@ -79,13 +79,15 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   grpc_arg arg = make_census_enable_arg();
   client_args = grpc_channel_args_copy_and_add(client_args, &arg, 1);
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
-  grpc_channel_args_destroy(client_args);
   GPR_ASSERT(f->client);
+  grpc_channel_args_destroy(client_args);
 }
 
 void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
diff --git a/test/core/end2end/fixtures/h2_compress.c b/test/core/end2end/fixtures/h2_compress.c
index 8f9b7c9..0e84588 100644
--- a/test/core/end2end/fixtures/h2_compress.c
+++ b/test/core/end2end/fixtures/h2_compress.c
@@ -75,7 +75,9 @@
 }
 
 void chttp2_init_client_fullstack_compression(grpc_end2end_test_fixture *f,
-                                              grpc_channel_args *client_args) {
+                                              grpc_channel_args *client_args,
+                                              const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_compression_fixture_data *ffd = f->fixture_data;
   if (ffd->client_args_compression != NULL) {
     grpc_channel_args_destroy(ffd->client_args_compression);
diff --git a/test/core/end2end/fixtures/h2_fake_resolver.c b/test/core/end2end/fixtures/h2_fake_resolver.c
new file mode 100644
index 0000000..89debdd
--- /dev/null
+++ b/test/core/end2end/fixtures/h2_fake_resolver.c
@@ -0,0 +1,128 @@
+//
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/host_port.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/server.h"
+#include "test/core/end2end/fake_resolver.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+
+typedef struct fullstack_fixture_data {
+  char *localaddr;
+} fullstack_fixture_data;
+
+static grpc_end2end_test_fixture chttp2_create_fixture_fullstack(
+    grpc_channel_args *client_args, grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  int port = grpc_pick_unused_port_or_die();
+  fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data));
+  memset(&f, 0, sizeof(f));
+
+  gpr_join_host_port(&ffd->localaddr, "127.0.0.1", port);
+
+  f.fixture_data = ffd;
+  f.cq = grpc_completion_queue_create(NULL);
+
+  return f;
+}
+
+void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  fullstack_fixture_data *ffd = f->fixture_data;
+  char *server_uri;
+  gpr_asprintf(&server_uri, "test:%s%s%s", ffd->localaddr,
+               (query_args == NULL ? "" : "?"),
+               (query_args == NULL ? "" : query_args));
+  gpr_log(GPR_INFO, "server_uri: %s", server_uri);
+  f->client = grpc_insecure_channel_create(server_uri, client_args, NULL);
+  GPR_ASSERT(f->client);
+  gpr_free(server_uri);
+}
+
+void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
+                                  grpc_channel_args *server_args) {
+  fullstack_fixture_data *ffd = f->fixture_data;
+  if (f->server) {
+    grpc_server_destroy(f->server);
+  }
+  f->server = grpc_server_create(server_args, NULL);
+  grpc_server_register_completion_queue(f->server, f->cq, NULL);
+  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
+  grpc_server_start(f->server);
+}
+
+void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) {
+  fullstack_fixture_data *ffd = f->fixture_data;
+  gpr_free(ffd->localaddr);
+  gpr_free(ffd);
+}
+
+/* All test configurations */
+static grpc_end2end_test_config configs[] = {
+    {"chttp2/fullstack", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION |
+                             FEATURE_MASK_SUPPORTS_QUERY_ARGS,
+     chttp2_create_fixture_fullstack, chttp2_init_client_fullstack,
+     chttp2_init_server_fullstack, chttp2_tear_down_fullstack},
+};
+
+int main(int argc, char **argv) {
+  size_t i;
+
+  grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
+  grpc_fake_resolver_init();
+  grpc_init();
+
+  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
+    grpc_end2end_tests(argc, argv, configs[i]);
+  }
+
+  grpc_shutdown();
+
+  return 0;
+}
diff --git a/test/core/end2end/fixtures/h2_fakesec.c b/test/core/end2end/fixtures/h2_fakesec.c
index 44408b2..dbe9011 100644
--- a/test/core/end2end/fixtures/h2_fakesec.c
+++ b/test/core/end2end/fixtures/h2_fakesec.c
@@ -105,7 +105,9 @@
 }
 
 static void chttp2_init_client_fake_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_channel_credentials *fake_ts_creds =
       grpc_fake_transport_security_credentials_create();
   chttp2_init_client_secure_fullstack(f, client_args, fake_ts_creds);
diff --git a/test/core/end2end/fixtures/h2_fd.c b/test/core/end2end/fixtures/h2_fd.c
index 8561fee..5a58fe3 100644
--- a/test/core/end2end/fixtures/h2_fd.c
+++ b/test/core/end2end/fixtures/h2_fd.c
@@ -73,7 +73,10 @@
 }
 
 static void chttp2_init_client_socketpair(grpc_end2end_test_fixture *f,
-                                          grpc_channel_args *client_args) {
+                                          grpc_channel_args *client_args,
+                                          const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
+
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   sp_fixture_data *sfd = f->fixture_data;
 
diff --git a/test/core/end2end/fixtures/h2_full+pipe.c b/test/core/end2end/fixtures/h2_full+pipe.c
index e7dfc56..359af1a 100644
--- a/test/core/end2end/fixtures/h2_full+pipe.c
+++ b/test/core/end2end/fixtures/h2_full+pipe.c
@@ -71,7 +71,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client);
diff --git a/test/core/end2end/fixtures/h2_full+trace.c b/test/core/end2end/fixtures/h2_full+trace.c
index c4dc5b9..ac997b0 100644
--- a/test/core/end2end/fixtures/h2_full+trace.c
+++ b/test/core/end2end/fixtures/h2_full+trace.c
@@ -71,7 +71,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client);
diff --git a/test/core/end2end/fixtures/h2_full.c b/test/core/end2end/fixtures/h2_full.c
index 4a2f17e..a72ab3a 100644
--- a/test/core/end2end/fixtures/h2_full.c
+++ b/test/core/end2end/fixtures/h2_full.c
@@ -70,7 +70,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client);
diff --git a/test/core/end2end/fixtures/h2_http_proxy.c b/test/core/end2end/fixtures/h2_http_proxy.c
index a675a11..f616da9 100644
--- a/test/core/end2end/fixtures/h2_http_proxy.c
+++ b/test/core/end2end/fixtures/h2_http_proxy.c
@@ -75,7 +75,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   char *proxy_uri;
   gpr_asprintf(&proxy_uri, "http://%s",
diff --git a/test/core/end2end/fixtures/h2_load_reporting.c b/test/core/end2end/fixtures/h2_load_reporting.c
index f6d3923..fc4db27 100644
--- a/test/core/end2end/fixtures/h2_load_reporting.c
+++ b/test/core/end2end/fixtures/h2_load_reporting.c
@@ -73,7 +73,9 @@
 }
 
 void chttp2_init_client_load_reporting(grpc_end2end_test_fixture *f,
-                                       grpc_channel_args *client_args) {
+                                       grpc_channel_args *client_args,
+                                       const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   load_reporting_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client);
diff --git a/test/core/end2end/fixtures/h2_oauth2.c b/test/core/end2end/fixtures/h2_oauth2.c
index fc56998..dd636cf 100644
--- a/test/core/end2end/fixtures/h2_oauth2.c
+++ b/test/core/end2end/fixtures/h2_oauth2.c
@@ -150,7 +150,9 @@
 }
 
 static void chttp2_init_client_simple_ssl_with_oauth2_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_channel_credentials *ssl_creds =
       grpc_ssl_credentials_create(test_root_cert, NULL, NULL);
   grpc_call_credentials *oauth2_creds =
diff --git a/test/core/end2end/fixtures/h2_proxy.c b/test/core/end2end/fixtures/h2_proxy.c
index c7b9986..ea1da2a 100644
--- a/test/core/end2end/fixtures/h2_proxy.c
+++ b/test/core/end2end/fixtures/h2_proxy.c
@@ -85,7 +85,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(
       grpc_end2end_proxy_get_client_target(ffd->proxy), client_args, NULL);
diff --git a/test/core/end2end/fixtures/h2_sockpair+trace.c b/test/core/end2end/fixtures/h2_sockpair+trace.c
index b8a5257..1ca1185 100644
--- a/test/core/end2end/fixtures/h2_sockpair+trace.c
+++ b/test/core/end2end/fixtures/h2_sockpair+trace.c
@@ -97,7 +97,9 @@
 }
 
 static void chttp2_init_client_socketpair(grpc_end2end_test_fixture *f,
-                                          grpc_channel_args *client_args) {
+                                          grpc_channel_args *client_args,
+                                          const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
diff --git a/test/core/end2end/fixtures/h2_sockpair.c b/test/core/end2end/fixtures/h2_sockpair.c
index a57990d..265491b 100644
--- a/test/core/end2end/fixtures/h2_sockpair.c
+++ b/test/core/end2end/fixtures/h2_sockpair.c
@@ -96,7 +96,9 @@
 }
 
 static void chttp2_init_client_socketpair(grpc_end2end_test_fixture *f,
-                                          grpc_channel_args *client_args) {
+                                          grpc_channel_args *client_args,
+                                          const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
diff --git a/test/core/end2end/fixtures/h2_sockpair_1byte.c b/test/core/end2end/fixtures/h2_sockpair_1byte.c
index 50aac80..647585d 100644
--- a/test/core/end2end/fixtures/h2_sockpair_1byte.c
+++ b/test/core/end2end/fixtures/h2_sockpair_1byte.c
@@ -96,7 +96,9 @@
 }
 
 static void chttp2_init_client_socketpair(grpc_end2end_test_fixture *f,
-                                          grpc_channel_args *client_args) {
+                                          grpc_channel_args *client_args,
+                                          const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
diff --git a/test/core/end2end/fixtures/h2_ssl.c b/test/core/end2end/fixtures/h2_ssl.c
index eb28623..63282ae 100644
--- a/test/core/end2end/fixtures/h2_ssl.c
+++ b/test/core/end2end/fixtures/h2_ssl.c
@@ -109,7 +109,9 @@
 }
 
 static void chttp2_init_client_simple_ssl_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_channel_credentials *ssl_creds =
       grpc_ssl_credentials_create(NULL, NULL, NULL);
   grpc_arg ssl_name_override = {GRPC_ARG_STRING,
diff --git a/test/core/end2end/fixtures/h2_ssl_cert.c b/test/core/end2end/fixtures/h2_ssl_cert.c
index ae2604d..c92464c 100644
--- a/test/core/end2end/fixtures/h2_ssl_cert.c
+++ b/test/core/end2end/fixtures/h2_ssl_cert.c
@@ -156,7 +156,9 @@
 
 #define CLIENT_INIT(cert_type)                                               \
   static void CLIENT_INIT_NAME(cert_type)(grpc_end2end_test_fixture * f,     \
-                                          grpc_channel_args * client_args) { \
+                                          grpc_channel_args * client_args,   \
+                                          const char *query_args) { \
+    GPR_ASSERT(query_args == NULL);                                          \
     grpc_channel_credentials *ssl_creds = NULL;                              \
     grpc_ssl_pem_key_cert_pair self_signed_client_key_cert_pair = {          \
         test_self_signed_client_key, test_self_signed_client_cert};          \
diff --git a/test/core/end2end/fixtures/h2_ssl_proxy.c b/test/core/end2end/fixtures/h2_ssl_proxy.c
index eeb54b8..7d39fb2 100644
--- a/test/core/end2end/fixtures/h2_ssl_proxy.c
+++ b/test/core/end2end/fixtures/h2_ssl_proxy.c
@@ -142,7 +142,9 @@
 }
 
 static void chttp2_init_client_simple_ssl_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_channel_credentials *ssl_creds =
       grpc_ssl_credentials_create(NULL, NULL, NULL);
   grpc_arg ssl_name_override = {GRPC_ARG_STRING,
diff --git a/test/core/end2end/fixtures/h2_uds.c b/test/core/end2end/fixtures/h2_uds.c
index cffbeaf..e280bb8 100644
--- a/test/core/end2end/fixtures/h2_uds.c
+++ b/test/core/end2end/fixtures/h2_uds.c
@@ -76,7 +76,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
 }
diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index 78b37ef..23b4eda 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py
@@ -55,6 +55,7 @@
     'h2_census': default_unsecure_fixture_options,
     'h2_load_reporting': default_unsecure_fixture_options,
     'h2_fakesec': default_secure_fixture_options._replace(ci_mac=False),
+    'h2_fake_resolver': default_unsecure_fixture_options,
     'h2_fd': fd_unsecure_fixture_options,
     'h2_full': default_unsecure_fixture_options,
     'h2_full+pipe': default_unsecure_fixture_options._replace(
diff --git a/test/core/end2end/tests/bad_hostname.c b/test/core/end2end/tests/bad_hostname.c
index e0c7ac7..85258dd 100644
--- a/test/core/end2end/tests/bad_hostname.c
+++ b/test/core/end2end/tests/bad_hostname.c
@@ -54,7 +54,7 @@
   grpc_end2end_test_fixture f;
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   config.init_server(&f, server_args);
   return f;
 }
diff --git a/test/core/end2end/tests/binary_metadata.c b/test/core/end2end/tests/binary_metadata.c
index 6b105de..73b0f17 100644
--- a/test/core/end2end/tests/binary_metadata.c
+++ b/test/core/end2end/tests/binary_metadata.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/call_creds.c b/test/core/end2end/tests/call_creds.c
index 981c0fc..99c5d94 100644
--- a/test/core/end2end/tests/call_creds.c
+++ b/test/core/end2end/tests/call_creds.c
@@ -61,7 +61,7 @@
   grpc_end2end_test_fixture f;
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(NULL, NULL);
-  config.init_client(&f, NULL);
+  config.init_client(&f, NULL, NULL);
   if (fail_server_auth_check) {
     grpc_arg fail_auth_arg = {
         GRPC_ARG_STRING, FAIL_AUTH_CHECK_SERVER_ARG_NAME, {NULL}};
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index b4ac3b3..8e2c9a0 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -54,7 +54,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/cancel_after_client_done.c b/test/core/end2end/tests/cancel_after_client_done.c
index 5adc71e..f61a404 100644
--- a/test/core/end2end/tests/cancel_after_client_done.c
+++ b/test/core/end2end/tests/cancel_after_client_done.c
@@ -54,7 +54,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index 85d8799..c31582b 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -55,7 +55,7 @@
   gpr_log(GPR_INFO, "%s/%s/%s", test_name, config.name, mode.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index c570914..5dcd44e 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/cancel_in_a_vacuum.c b/test/core/end2end/tests/cancel_in_a_vacuum.c
index 3b03616..7f75a92 100644
--- a/test/core/end2end/tests/cancel_in_a_vacuum.c
+++ b/test/core/end2end/tests/cancel_in_a_vacuum.c
@@ -54,7 +54,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/cancel_with_status.c b/test/core/end2end/tests/cancel_with_status.c
index e65390a..5cf3eb6 100644
--- a/test/core/end2end/tests/cancel_with_status.c
+++ b/test/core/end2end/tests/cancel_with_status.c
@@ -55,7 +55,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/compressed_payload.c b/test/core/end2end/tests/compressed_payload.c
index 1724da4..f598a38 100644
--- a/test/core/end2end/tests/compressed_payload.c
+++ b/test/core/end2end/tests/compressed_payload.c
@@ -60,7 +60,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/connectivity.c b/test/core/end2end/tests/connectivity.c
index 260297e..4a99165 100644
--- a/test/core/end2end/tests/connectivity.c
+++ b/test/core/end2end/tests/connectivity.c
@@ -68,7 +68,7 @@
   gpr_thd_options thdopt = gpr_thd_options_default();
   gpr_thd_id thdid;
 
-  config.init_client(&f, NULL);
+  config.init_client(&f, NULL, NULL);
 
   ce.channel = f.client;
   ce.cq = f.cq;
diff --git a/test/core/end2end/tests/default_host.c b/test/core/end2end/tests/default_host.c
index 208e316..5b32b50 100644
--- a/test/core/end2end/tests/default_host.c
+++ b/test/core/end2end/tests/default_host.c
@@ -54,7 +54,7 @@
   grpc_end2end_test_fixture f;
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   config.init_server(&f, server_args);
   return f;
 }
diff --git a/test/core/end2end/tests/disappearing_server.c b/test/core/end2end/tests/disappearing_server.c
index a0059b9..d8d76f8 100644
--- a/test/core/end2end/tests/disappearing_server.c
+++ b/test/core/end2end/tests/disappearing_server.c
@@ -193,7 +193,7 @@
 
   gpr_log(GPR_INFO, "%s/%s", "disappearing_server_test", config.name);
 
-  config.init_client(&f, NULL);
+  config.init_client(&f, NULL, NULL);
   config.init_server(&f, NULL);
 
   do_request_and_shutdown_server(&f, cqv);
diff --git a/test/core/end2end/tests/empty_batch.c b/test/core/end2end/tests/empty_batch.c
index ac53e18..bc27b1a 100644
--- a/test/core/end2end/tests/empty_batch.c
+++ b/test/core/end2end/tests/empty_batch.c
@@ -55,7 +55,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/filter_call_init_fails.c b/test/core/end2end/tests/filter_call_init_fails.c
index a70f50a..0e5692f 100644
--- a/test/core/end2end/tests/filter_call_init_fails.c
+++ b/test/core/end2end/tests/filter_call_init_fails.c
@@ -61,7 +61,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/filter_causes_close.c b/test/core/end2end/tests/filter_causes_close.c
index cdf8683..adc1e3c 100644
--- a/test/core/end2end/tests/filter_causes_close.c
+++ b/test/core/end2end/tests/filter_causes_close.c
@@ -58,7 +58,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/graceful_server_shutdown.c b/test/core/end2end/tests/graceful_server_shutdown.c
index 29347a0..e098a63 100644
--- a/test/core/end2end/tests/graceful_server_shutdown.c
+++ b/test/core/end2end/tests/graceful_server_shutdown.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/high_initial_seqno.c b/test/core/end2end/tests/high_initial_seqno.c
index dab5270..193706b 100644
--- a/test/core/end2end/tests/high_initial_seqno.c
+++ b/test/core/end2end/tests/high_initial_seqno.c
@@ -57,7 +57,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/hpack_size.c b/test/core/end2end/tests/hpack_size.c
index fb00ae4..78afdb5 100644
--- a/test/core/end2end/tests/hpack_size.c
+++ b/test/core/end2end/tests/hpack_size.c
@@ -197,7 +197,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/idempotent_request.c b/test/core/end2end/tests/idempotent_request.c
index 65f6dd0..b53e003 100644
--- a/test/core/end2end/tests/idempotent_request.c
+++ b/test/core/end2end/tests/idempotent_request.c
@@ -55,7 +55,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/invoke_large_request.c b/test/core/end2end/tests/invoke_large_request.c
index 1df237c..3820504 100644
--- a/test/core/end2end/tests/invoke_large_request.c
+++ b/test/core/end2end/tests/invoke_large_request.c
@@ -54,7 +54,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/large_metadata.c b/test/core/end2end/tests/large_metadata.c
index eb174a2..6107836 100644
--- a/test/core/end2end/tests/large_metadata.c
+++ b/test/core/end2end/tests/large_metadata.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/load_reporting_hook.c b/test/core/end2end/tests/load_reporting_hook.c
index 59d054c..9fdaa6d 100644
--- a/test/core/end2end/tests/load_reporting_hook.c
+++ b/test/core/end2end/tests/load_reporting_hook.c
@@ -78,7 +78,7 @@
 
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
 
   return f;
 }
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index 65fa946..6c7bf9f 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index cdca3e6..72e28fb 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -56,7 +56,7 @@
   // proxy, only on the backend server.
   f = config.create_fixture(NULL, NULL);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/negative_deadline.c b/test/core/end2end/tests/negative_deadline.c
index c999ac1..12c6a0f 100644
--- a/test/core/end2end/tests/negative_deadline.c
+++ b/test/core/end2end/tests/negative_deadline.c
@@ -55,7 +55,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/network_status_change.c b/test/core/end2end/tests/network_status_change.c
index 1d4b6db..8d6b8f8 100644
--- a/test/core/end2end/tests/network_status_change.c
+++ b/test/core/end2end/tests/network_status_change.c
@@ -56,7 +56,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/no_logging.c b/test/core/end2end/tests/no_logging.c
index 430bfdc..f512c1c 100644
--- a/test/core/end2end/tests/no_logging.c
+++ b/test/core/end2end/tests/no_logging.c
@@ -83,7 +83,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/no_op.c b/test/core/end2end/tests/no_op.c
index 8b29c21..a1c61cb 100644
--- a/test/core/end2end/tests/no_op.c
+++ b/test/core/end2end/tests/no_op.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/payload.c b/test/core/end2end/tests/payload.c
index c71704f..c1db274 100644
--- a/test/core/end2end/tests/payload.c
+++ b/test/core/end2end/tests/payload.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/ping.c b/test/core/end2end/tests/ping.c
index 5e5169d..f7e119c 100644
--- a/test/core/end2end/tests/ping.c
+++ b/test/core/end2end/tests/ping.c
@@ -48,7 +48,7 @@
   grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
   int i;
 
-  config.init_client(&f, NULL);
+  config.init_client(&f, NULL, NULL);
   config.init_server(&f, NULL);
 
   grpc_channel_ping(f.client, f.cq, tag(0), NULL);
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 7e360c4..30ea800 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index 9b2b42b..4c094e1 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -55,7 +55,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
index 25150e6..69ad69a 100644
--- a/test/core/end2end/tests/request_with_flags.c
+++ b/test/core/end2end/tests/request_with_flags.c
@@ -54,7 +54,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index 67208c0..56ff83c 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/server_finishes_request.c b/test/core/end2end/tests/server_finishes_request.c
index 7fb9025..c23b758 100644
--- a/test/core/end2end/tests/server_finishes_request.c
+++ b/test/core/end2end/tests/server_finishes_request.c
@@ -55,7 +55,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/shutdown_finishes_calls.c b/test/core/end2end/tests/shutdown_finishes_calls.c
index dff2e6f..a21a63a 100644
--- a/test/core/end2end/tests/shutdown_finishes_calls.c
+++ b/test/core/end2end/tests/shutdown_finishes_calls.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/shutdown_finishes_tags.c b/test/core/end2end/tests/shutdown_finishes_tags.c
index 1d110a7..aca7c55 100644
--- a/test/core/end2end/tests/shutdown_finishes_tags.c
+++ b/test/core/end2end/tests/shutdown_finishes_tags.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/simple_cacheable_request.c b/test/core/end2end/tests/simple_cacheable_request.c
index b52eb19..29ba41b 100644
--- a/test/core/end2end/tests/simple_cacheable_request.c
+++ b/test/core/end2end/tests/simple_cacheable_request.c
@@ -55,7 +55,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/simple_delayed_request.c b/test/core/end2end/tests/simple_delayed_request.c
index 74f1232..e1a1b8c 100644
--- a/test/core/end2end/tests/simple_delayed_request.c
+++ b/test/core/end2end/tests/simple_delayed_request.c
@@ -104,7 +104,7 @@
   size_t details_capacity = 0;
   int was_cancelled = 2;
 
-  config.init_client(f, client_args);
+  config.init_client(f, client_args, NULL);
 
   c = grpc_channel_create_call(f->client, NULL, GRPC_PROPAGATE_DEFAULTS, f->cq,
                                "/foo", "foo.test.google.fr", deadline, NULL);
diff --git a/test/core/end2end/tests/simple_metadata.c b/test/core/end2end/tests/simple_metadata.c
index 13c77c0..304af9c 100644
--- a/test/core/end2end/tests/simple_metadata.c
+++ b/test/core/end2end/tests/simple_metadata.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/simple_request.c b/test/core/end2end/tests/simple_request.c
index ed7b850..65a3710 100644
--- a/test/core/end2end/tests/simple_request.c
+++ b/test/core/end2end/tests/simple_request.c
@@ -55,7 +55,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/streaming_error_response.c b/test/core/end2end/tests/streaming_error_response.c
index 8285468..fe63c6f 100644
--- a/test/core/end2end/tests/streaming_error_response.c
+++ b/test/core/end2end/tests/streaming_error_response.c
@@ -55,7 +55,7 @@
           request_status_early ? "true" : "false");
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/trailing_metadata.c b/test/core/end2end/tests/trailing_metadata.c
index d7093ae..e6bfc7c 100644
--- a/test/core/end2end/tests/trailing_metadata.c
+++ b/test/core/end2end/tests/trailing_metadata.c
@@ -53,7 +53,7 @@
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }