public function testStyledFormSubmit()
{
$result = $this->Form->submit('Submit', ['class' => 'btn btn-block']);
$expected = ['div' => ['class' => 'submit'], 'input' => ['type' => 'submit', 'value' => 'Submit', 'class' => 'btn btn-block btn-default']];
$this->assertHtml($expected, $result);
$result = $this->Form->submit('Submit', ['class' => ['btn', 'btn-block']]);
$expected = ['div' => ['class' => 'submit'], 'input' => ['type' => 'submit', 'value' => 'Submit', 'class' => 'btn btn-block btn-default']];
$this->assertHtml($expected, $result);
}