Add new end2end test for channelz
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index a10cfb5..2a9ad86 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -1178,6 +1178,7 @@
                       'test/core/end2end/tests/cancel_before_invoke.cc',
                       'test/core/end2end/tests/cancel_in_a_vacuum.cc',
                       'test/core/end2end/tests/cancel_with_status.cc',
+                      'test/core/end2end/tests/channelz.cc',
                       'test/core/end2end/tests/compressed_payload.cc',
                       'test/core/end2end/tests/connectivity.cc',
                       'test/core/end2end/tests/default_host.cc',