public function testSaveFromMap()
 {
     $child = new \DataObjectTest\RelationClass();
     $child->ParentClass = 'DataObjectTest\\NamespacedClass';
     $child->{'Parent[Name]'} = 'Test Object';
     Utilities::save_from_map($child, 'Parent', '', false);
     $this->assertEquals('Test Object', $child->Parent()->Name);
     $child->{'Other[Name]'} = 'Test Object 2';
     Utilities::save_from_map($child, 'Parent', 'Other', false);
     $this->assertEquals('Test Object 2', $child->Parent()->Name);
 }