stb-tester test script for MyFirstApp

Just verifies that the app launched successfully
by checking the message it displays on the screen.

The 'consecutive_matches=5' is so that the video recording
of the test-run is long enough that you can see something.
Change app text from 'Hello World' to 'Hello Weird'
another commit
Yet another commit
And yet another commit
And a 4th commit
A fifth commit