diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index c86b14f63eb..5cb50cc999c 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -1306,6 +1306,7 @@
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
+    "exclude_iomgrs": [], 
     "flaky": false, 
     "gtest": false, 
     "language": "c", 
@@ -1321,6 +1322,7 @@
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
+    "exclude_iomgrs": [], 
     "flaky": false, 
     "gtest": false, 
     "language": "c",