Merge pull request #15465 from jtattermusch/gcov_disable_node

Don't run gcov coverage for Node

tools/run_tests/run_tests.py

@@ -1490,7 +1490,7 @@ else:
     lang_list = args.language
 # We don't support code coverage on some languages
 if 'gcov' in args.config:
-    for bad in ['objc', 'sanity']:
+    for bad in ['grpc-node', 'objc', 'sanity']:
         if bad in lang_list:
             lang_list.remove(bad)