gistfile1.txt

// test
    it.only('calls $mdDialog.show', () => {
      return controller.delete(null, { uuid: 'aUuid'})
        .then(() => {
          $httpBackend.flush();
        })
        .then(() => {
          expect($mdDialog.show).to.have.been.called;
        });
    });

// output
    delete method
      ✖ calls $mdDialog.show
        PhantomJS 1.9.8 (Mac OS X 0.0.0)
      timeout of 2000ms exceeded. Ensure the done() callback is being called in this test.