Increase timeout_seconds for build_example_test
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 580afc3..5c8f6f2 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -604,7 +604,8 @@
     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'],
-                                 None, environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
+                                 timeout_seconds=15*60, None,
+                                 environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
 
   def pre_build_steps(self):
     return []