Used the proper GRPC_TRACE value in run_tests.py
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index e938520..adb6ce9 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -607,7 +607,7 @@
build_configs = set(cfg.build_config for cfg in run_configs)
if args.travis:
- _FORCE_ENVIRON_FOR_WRAPPERS = {'GRPC_TRACE': 'surface,batch'}
+ _FORCE_ENVIRON_FOR_WRAPPERS = {'GRPC_TRACE': 'api'}
languages = set(_LANGUAGES[l]
for l in itertools.chain.from_iterable(