public function testComment() {
		$query = new Query($this->_queryArr);

		$expected = 'Find all posts by author 12';
		$result = $query->comment();
		$this->assertEqual($expected, $result);

		$query->comment('Comment lorem');

		$expected = 'Comment lorem';
		$result = $query->comment();
		$this->assertEqual($expected, $result);
	}