💡 [Feature]: Add integration tests for Gulp Tasks section

[Adam-it]

🎯 Aim of the feature

The aim is to create set of integration test that will check the behavior of Gulp Tasks section of this extension. The tests should check if the tasks have correct naming and behavior. So for some we should check if additional prompt is present and also if some task is selected if the terminal was opened and the correct gulp command was passed. We should not care of the outcome of the gulp tasks as we do not check SPFx build toolchain but only the extension functionality

When creating tests we should use the following approach described in wiki

📷 Images (if possible) with expected result

The aim is to create integration tests for the following

🤔 Additional remarks or comments

No response