Tests UISourceCode class.
Running: testUISourceCode
Content is requested from SourceCodeProvider.
Callback 1 is invoked.
Callback 2 is invoked.
Callback 3 is invoked.
Tests UISourceCode class.
Running: testUISourceCode
Content is requested from SourceCodeProvider.
Callback 1 is invoked.
Callback 2 is invoked.
Callback 3 is invoked.