Actually turn on the test
diff --git a/tools/run_tests/sanity/sanity_tests.yaml b/tools/run_tests/sanity/sanity_tests.yaml
index ec58a10..3ca5c1b 100644
--- a/tools/run_tests/sanity/sanity_tests.yaml
+++ b/tools/run_tests/sanity/sanity_tests.yaml
@@ -17,5 +17,5 @@
- script: tools/distrib/pylint_code.sh
- script: tools/distrib/yapf_code.sh
- script: tools/distrib/python/check_grpcio_tools.py
-- script: tools/run_tests/sanity/check_clang_tidy.sh -j 3
- cpu_cost: 3
+- script: tools/run_tests/sanity/check_clang_tidy.sh
+ cpu_cost: 1000