isDisabled() returns true, while JS is set to disabled #418

Hello,
I have an issue with the display of elements in case javascript is set to disabled:
com.gargoylesoftware.htmlunit.html.HtmlElement.isDisplayed()

Example html

<div id="div" style="display:none;">
    <span id="test">
        Some Text
    </span>
</div>

Expected result of span with id "test" is false (because of style="display:none;")
HtmlUnit returns true.

@rbri, could you please take a look at this?

Thanks and greetings