Sulu\Bundle\CategoryBundle\Category\CategoryManagerInterface::getApiObjects PHP Method

    public function getApiObjects($categories, $locale);

 public function testGetApiObjects()
 {
     $entities = [new CategoryEntity(), null, new CategoryEntity(), new CategoryEntity(), null];
     $wrappers = $this->categoryManager->getApiObjects($entities, 'en');
     $this->assertTrue($wrappers[0] instanceof CategoryWrapper);
     $this->assertTrue($wrappers[2] instanceof CategoryWrapper);
     $this->assertTrue($wrappers[3] instanceof CategoryWrapper);
     $this->assertEquals(null, $wrappers[1]);
     $this->assertEquals(null, $wrappers[4]);
 }