Check the "On" checkbox. "Callback Ok" should appear in the console.

Uncheck the "On" checkbox. "Callback Ok" should appear in the console.

Click "Check". "All Ok" should appear in the console.

Repeat the above three steps.

Click "Toggle". The checkbox should become checked.

Click "Toggle". The checkbox should become unchecked.

Check the "On" checkbox. "Callback Ok" should appear in the console.

Click "Toggle". The checkbox should become unchecked.

Repeat the above four steps with "Simulation Toggle" instead of "Toggle".
 However, with "Simulation Toggle", "Callback Ok" should be printed
 each time "Simulation Toggle" is hit.

Click "Check". "All Ok" should appear in the console.
