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); }