public function testMergeSkipNoId() {
		$item = array(
			'ids' => array('singular' => 'test')
		);
		$expected = array();
		$result = $this->adapter->merge(array(), $item);
		$this->assertEqual($expected, $result);

		$item = array(
			'translated' => array('test')
		);
		$expected = array();
		$result = $this->adapter->merge(array(), $item);
		$this->assertEqual($expected, $result);

		$item = array(
			'id' => null
		);
		$expected = array();
		$result = $this->adapter->merge(array(), $item);
		$this->assertEqual($expected, $result);
	}