[UITest] Add reset to test teardown if the app is not running anymore #16769
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Description of Change
With this change we will check the status of the app after each test to verify it is still running and restart it if necessary and log a failure to the appropriate test.
Issues Fixed
If the test project crashes during test execution currently it will cause all the tests in that class that follow it to fail.
If the test executes a command that causes the test project to crash and doesn't try to interact with the test project anymore, e.g. query a property/element, the app crash will not be caught until the next test setup, if any, and have to hunt down which test caused the failure.