public function testResourceSetCanRemoveChildren()
{
$resource1 = new Resource();
$this->tester->assertThrows(function () {
$this->resourceSet->removeChild('reallyInvalidId');
}, 'Exception', 'An exception as to be thrown.');
$this->resourceSet->addChild($resource1);
$this->assertContains($resource1, $this->resourceSet->getResources());
$this->resourceSet->removeChild($resource1->getId());
$this->assertNotContains($resource1, $this->resourceSet->getResources());
}
