Revert "Revert "Set error status correctly on server side""

This reverts commit 951f84aea00a1f8a65cf160d7d8f342c30593000.
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index fcabd62..358fad3 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -1039,6 +1039,7 @@
                       'test/core/end2end/tests/filter_call_init_fails.cc',
                       'test/core/end2end/tests/filter_causes_close.cc',
                       'test/core/end2end/tests/filter_latency.cc',
+                      'test/core/end2end/tests/filter_status_code.cc',
                       'test/core/end2end/tests/graceful_server_shutdown.cc',
                       'test/core/end2end/tests/high_initial_seqno.cc',
                       'test/core/end2end/tests/hpack_size.cc',