Source
Ensures that password fields aren't rendered with pre-populated values from bound record or document objects.

Source

						public function testPasswordWithBindingValue() {
		$this->form->create(new Record(array(
			'model' => $this->_model, 'data' => array('pass' => 'foobar')
		)));
		$result = $this->form->password('pass');

		$this->assertTags($result, array(
			'input' => array('type' => 'password', 'name' => 'pass', 'id' => 'MockFormPostPass')
		));
	}