public function testHandleKeyAsExistingWhenAllContainedArrayAccessObjectsHaveThisKey()
{
$key = 'Key';
$value = 'Value';
$array = array($key => $value);
$composite = new Composite();
$keyValue1 = new \ArrayIterator($array);
$composite->attach($keyValue1);
$keyValue2 = new \ArrayIterator($array);
$composite->attach($keyValue2);
$this->assertArrayHasKey($key, $composite);
}