code: function (message) {
                  var m = message || testObj.name;
                  PFT.logger.log(PFT.logger.TEST, "PASS: " + m);
                  testObj.passes++;
                  this.done();
              }
docs: function to signal a successful completion of a test and increment
  the current number of passes by 1.
  function will also call {@link PFT.tester.assert.done} so that any
  subsequent tests can continue.
  @param {string} message - a message to display describing the pass.
  @memberof PFT.tester.assert