Tests that magic method support can be used to automatically generate a `<button />` tag based on the default string template.

Source

						public function testAutoMagicButton() {
		$result = $this->form->button('Foo!', array('id' => 'bar'));
		$this->assertTags($result, array('button' => array('id' => 'bar'), 'Foo!', '/button'));
	}