public function testItWorksCorrectlyWhenYouHaveAWorkingDay()
 {
     $inMemoryRepo = new InMemoryWorkingDayRepository();
     $workingDay = new WorkingDay($inMemoryRepo->nextIdentity());
     $workingDay->addTask(new Task("Going to the toilet."));
     $inMemoryRepo->add($workingDay);
     $this->mockMailProvider->expects($this->once())->method('sendReportOf')->with($workingDay);
     $sendReportHandler = new SendReportHandler($this->mockMailProvider, $inMemoryRepo);
     $sendReportHandler->handle(new SendReport());
 }