1 files changed, 22 insertions, 0 deletions
diff --git a/testing/mozbase/mozrunner/tests/test_states.py b/testing/mozbase/mozrunner/tests/test_states.py
new file mode 100644
index 0000000000..b2eb3d119c
--- /dev/null
+++ b/testing/mozbase/mozrunner/tests/test_states.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+
+import mozunit
+import pytest
+from mozrunner import RunnerNotStartedError
+
+
+def test_errors_before_start(runner):
+    """Bug 965714: Not started errors before start() is called"""
+
+    with pytest.raises(RunnerNotStartedError):
+        runner.is_running()
+
+    with pytest.raises(RunnerNotStartedError):
+        runner.returncode
+
+    with pytest.raises(RunnerNotStartedError):
+        runner.wait()
+
+
+if __name__ == "__main__":
+    mozunit.main()