Demonstrates that the options for a `<label />` element can be passed through the `field()` method, using the label text as a key.

Source

						public function testFieldLabelWithOptions() {
		$result = $this->form->field('name', array(
			'label' => array('Item Name' => array('class' => 'required'))
		));
		$this->assertTags($result, array(
			'div' => array(),
			'label' => array('for' => 'Name', 'class' => 'required'), 'Item Name', '/label',
			'input' => array('type' => 'text', 'name' => 'name', 'id' => 'Name')
		));

		$result = $this->form->field('video_preview', array(
			'label' => array('<a href="http://www.youtube.com/">Youtube</a>' => array(
				'escape' => false
			))
		));
		$this->assertTags($result, array(
			'div' => array(),
			'label' => array('for' => 'VideoPreview'),
			'a' => array('href' => 'http://www.youtube.com/'), 'Youtube', '/a', '/label',
			'input' => array('type' => 'text', 'name' => 'video_preview', 'id' => 'VideoPreview')
		));
	}