Neos\FluidAdaptor\ViewHelpers\Form\ButtonViewHelper::initializeArguments PHP Method

    public function initializeArguments()
    {
        parent::initializeArguments();
        $this->registerTagAttribute('autofocus', 'string', 'Specifies that a button should automatically get focus when the page loads');
        $this->registerTagAttribute('disabled', 'string', 'Specifies that the input element should be disabled when the page loads');
        $this->registerTagAttribute('form', 'string', 'Specifies one or more forms the button belongs to');
        $this->registerTagAttribute('formaction', 'string', 'Specifies where to send the form-data when a form is submitted. Only for type="submit"');
        $this->registerTagAttribute('formenctype', 'string', 'Specifies how form-data should be encoded before sending it to a server. Only for type="submit" (e.g. "application/x-www-form-urlencoded", "multipart/form-data" or "text/plain")');
        $this->registerTagAttribute('formmethod', 'string', 'Specifies how to send the form-data (which HTTP method to use). Only for type="submit" (e.g. "get" or "post")');
        $this->registerTagAttribute('formnovalidate', 'string', 'Specifies that the form-data should not be validated on submission. Only for type="submit"');
        $this->registerTagAttribute('formtarget', 'string', 'Specifies where to display the response after submitting the form. Only for type="submit" (e.g. "_blank", "_self", "_parent", "_top", "framename")');
        $this->registerUniversalTagAttributes();
    }

 public function setUp()
 {
     parent::setUp();
     $this->viewHelper = $this->getAccessibleMock(\Neos\FluidAdaptor\ViewHelpers\Form\ButtonViewHelper::class, array('renderChildren'));
     $this->arguments['name'] = '';
     $this->injectDependenciesIntoViewHelper($this->viewHelper);
     $this->viewHelper->initializeArguments();
 }