/**
  * @test
  */
 public function efficiency_issues()
 {
     $issue = EfficiencyIssue::first();
     $this->assertInstanceOf(IssueCause::class, $issue->cause);
     $this->assertInstanceOf(EfficiencyReportLog::class, $issue->efficiencyReportLogs->first());
     $this->assertInstanceOf(User::class, $issue->updatedBy);
     $this->assertInstanceOf(User::class, $issue->createdBy);
 }