Fix run_test.py
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 5c8f6f2..2a404df 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -604,7 +604,7 @@
     return [self.config.job_spec(['src/objective-c/tests/run_tests.sh'], None,
                                   environ=_FORCE_ENVIRON_FOR_WRAPPERS),
             self.config.job_spec(['src/objective-c/tests/build_example_test.sh'],
-                                 timeout_seconds=15*60, None,
+                                 None, timeout_seconds=15*60,
                                  environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
 
   def pre_build_steps(self):