/**
  * @covers \BackBee\NestedNode\Repository\PageRepository::getAncestor
  */
 public function testGetAncestor()
 {
     $page1 = $this->repository->find('page1');
     $section1 = $this->repository->find('section1');
     $this->assertEquals($this->root, $this->repository->getAncestor($page1));
     $this->assertEquals($this->root, $this->repository->getAncestor($page1, 0));
     $this->assertEquals($section1, $this->repository->getAncestor($page1, 1));
     $this->assertEquals($page1, $this->repository->getAncestor($page1, 2));
     $this->assertNull($this->repository->getAncestor($page1, 3));
 }