code: function assert(t) {
  	if (!t.result) {
  		errorMessages.push(t.message);
  
  		var errorDetail;
  		if (t.expected === undefined && t.actual === undefined) {
  			errorDetail = 'Test "' + testName + '" assertion failed' + (t.message ? ': "' + t.message + '"' : '');
  		} else {
  			errorDetail = 'Test "' + testName + '" assertion failed. Expected <' + t.expected + '> Actual <' + t.actual + '>' + (t.message ? ': "' + t.message + '"' : '');
  		}
  
  		errorDetails.push(errorDetail);
  	}
  }
docs: See http://api.qunitjs.com/QUnit.log/
  @param arg - { result, actual, expected, message }