Callback handlers:

• QUnit.begin

  Register a callback to fire whenever the test suite begins.

• QUnit.done

  Register a callback to fire whenever the test suite ends.

• QUnit.log

  Register a callback to fire whenever an assertion completes.

• QUnit.moduleDone

  Register a callback to fire whenever a module ends.

• QUnit.moduleStart

  Register a callback to fire whenever a module begins.

• QUnit.on

  Register a callback to fire whenever the specified event is emitted.

• QUnit.testDone

  Register a callback to fire whenever a test ends.

• QUnit.testStart

  Register a callback to fire whenever a test begins.