Only run bad http2 server tests with supported client/server pairs.

tools/run_tests/run_interop_tests.py

@@ -895,7 +895,6 @@ try:
     spec = server_jobspec(http2InteropServer, docker_images.get(lang))
     job = dockerjob.DockerJob(spec)
     server_jobs[lang] = job
-    server_addresses[lang] = ('localhost', _DEFAULT_SERVER_PORT)
 
   jobs = []
   if args.cloud_to_prod:
@@ -976,9 +975,9 @@ try:
       for test_case in _HTTP2_BADSERVER_TEST_CASES:
         test_job = cloud_to_cloud_jobspec(language,
                                           test_case,
-                                            server_name,
+                                          str(http2InteropServer),
-                                            server_host,
+                                          'localhost',
-                                            server_port,
+                                          _DEFAULT_SERVER_PORT,
                                           docker_image=docker_images.get(str(language)))
         jobs.append(test_job)