Add fake resolver for tests.
diff --git a/build.yaml b/build.yaml
index 4746cc1..9e8b4c3 100644
--- a/build.yaml
+++ b/build.yaml
@@ -507,6 +507,7 @@
   build: test
   headers:
   - test/core/end2end/cq_verifier.h
+  - test/core/end2end/fake_resolver.h
   - test/core/end2end/fixtures/http_proxy.h
   - test/core/end2end/fixtures/proxy.h
   - test/core/iomgr/endpoint_tests.h
@@ -520,6 +521,7 @@
   - test/core/util/slice_splitter.h
   src:
   - test/core/end2end/cq_verifier.c
+  - test/core/end2end/fake_resolver.c
   - test/core/end2end/fixtures/http_proxy.c
   - test/core/end2end/fixtures/proxy.c
   - test/core/iomgr/endpoint_tests.c