public function testSetAndGetAndAddProjectRelativeProjects()
 {
     $project = new Project();
     $relativeProject = new Project();
     $project->addRelativeProject($relativeProject);
     $relativeProjects = $project->getRelativeProjects();
     $this->assertEquals($relativeProjects->count(), 1);
     $this->assertTrue(\is_a($relativeProjects, 'Doctrine\\Common\\Collections\\ArrayCollection'), 2);
     $project->setRelativeProjects($relativeProjects);
     $this->assertEquals($project->getRelativeProjects(), $relativeProjects);
 }