1 Test that inert nodes cannot be selected. The test passes if the only text you can select is inside the dialog.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS window.getSelection().toString() is "I'm selectable."
7 PASS successfullyParsed is true
10 Here is a text node you can't select. I'm selectable.