public function testAddToManyAssocation() {
$child = new TestObject();
$this->object
->addChildren($child);
$this
->assertSame($this->object, $child
->getParent());
$this
->assertEquals(1, count($this->object
->getChildren()));
$child = new TestObject();
$this->object
->addChildren($child);
$this
->assertEquals(2, count($this->object
->getChildren()));
}