Author: Kévin Dunglas (dunglas@gmail.com)
Inheritance: implements ApiPlatform\Core\DataProvider\ItemDataProviderInterface
 public function testGetItemExeptions()
 {
     $firstDataProvider = $this->prophesize(ItemDataProviderInterface::class);
     $firstDataProvider->getItem('notfound', 1, null, [])->willThrow(ResourceClassNotSupportedException::class);
     $chainItemDataProvider = new ChainItemDataProvider([$firstDataProvider->reveal()]);
     $this->assertEquals('', $chainItemDataProvider->getItem('notfound', 1));
 }