Add missing comma and period in unittest docs (GH-17211)

Seluj78 · miss-islington · commit b1f160a236cb · 2019-11-19T04:05:45.000-08:00
Automerge-Triggered-By: @csabella
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
@@ -1563,7 +1563,7 @@ Test cases
       if __name__ == "__main__":
           unittest.main()
 
-   After running the test ``events`` would contain ``["setUp", "asyncSetUp", "test_response", "asyncTearDown", "tearDown", "cleanup"]``
+   After running the test, ``events`` would contain ``["setUp", "asyncSetUp", "test_response", "asyncTearDown", "tearDown", "cleanup"]``.
 
 
 .. class:: FunctionTestCase(testFunc, setUp=None, tearDown=None, description=None)
