Channel establishment
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index c1d263d..8d805fd 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -6261,6 +6261,7 @@
       "test/core/util/grpc_profiler.h", 
       "test/core/util/mock_endpoint.h", 
       "test/core/util/parse_hexstring.h", 
+      "test/core/util/passthru_endpoint.h", 
       "test/core/util/port.h", 
       "test/core/util/port_server_client.h", 
       "test/core/util/slice_splitter.h"
@@ -6280,6 +6281,8 @@
       "test/core/util/mock_endpoint.h", 
       "test/core/util/parse_hexstring.c", 
       "test/core/util/parse_hexstring.h", 
+      "test/core/util/passthru_endpoint.c", 
+      "test/core/util/passthru_endpoint.h", 
       "test/core/util/port.h", 
       "test/core/util/port_posix.c", 
       "test/core/util/port_server_client.c",