dtfMock)) { $this->dtfMock = \Mockery::mock('alias:'. DateTimeFormat::class); } $this->dtfMock ->shouldReceive('utcNow') ->andReturn($time) ->times($times); } public function mockUtc($input, $time, $times = null) { if (!isset($this->dtfMock)) { $this->dtfMock = \Mockery::mock('alias:' . DateTimeFormat::class); } $this->dtfMock ->shouldReceive('utc') ->with($input) ->andReturn($time) ->times($times); } }