text: describe('SimpleService.sayHello', function () {
  
      var simpleService;
  
      beforeEach(module('common.SimpleService'));
      beforeEach(inject(function (_simpleService_) {
          simpleService = _simpleService_;
      }));
  
      it('prepends "Hello, "', function () {
          var message = simpleService.sayHello('Name');
          expect(message).toBe('Hello, Name');
      });
  
      it('returns "Hello" when no name', function () {
          var message = simpleService.sayHello();
          expect(message).toBe('Hello');
      });
  
  });