As your tests go from red to green, TDGotchi evolves through different stages. But be careful! Enough test failures can transform it into a zombie.

Fast View Mode

The easiest way to keep TDGotchi around without sacrificing your editor space, is to have it in "fast view mode". Just right click on the TDGotchi title bar and select Fast View. TDGotchi will still be jumping around happy when the test pass.