How to use test_fails_when_incorrect_warning method in Testify

Best Python code snippet using Testify_python

assertions_test.py

Source:assertions_test.py

...665        with assertions.assert_raises(AssertionError):666            def do_nothing():667                pass668            assertions.assert_warns(UserWarning, do_nothing)669    def test_fails_when_incorrect_warning(self):670        """671        Test that assert_warns fails when we pass a specific warning and672        a different warning class is thrown.673        """674        with assertions.assert_raises(AssertionError):675            with assertions.assert_warns(DeprecationWarning):676                self._create_user_warning()677    def test_fails_when_incorrect_warning_with_callable(self):678        """679        Test that assert_warns fails when we pass a specific warning and680        a different warning class is thrown.681        """682        with assertions.assert_raises(AssertionError):683            assertions.assert_warns(DeprecationWarning, self._create_user_warning)...

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