Inheritance: extends AbstractRelated
 public function testArrayAccessWithPresentKeysWillReturnTrue()
 {
     $arrayAccess = new ArrayObject(array('bar' => array('foo' => array('baz' => 'hello world!'), 'foooo' => array('boooo' => 321))));
     $rule = new KeyNested('bar.foo.baz');
     $this->assertTrue($rule->validate($arrayAccess));
 }