crash in test WebEngineViewLoadUrl::test_urlProperty

var handleLoadFailed = function(loadRequest) {
    if (loadRequest.status == WebEngineView.LoadFailedStatus) {
        webEngineView.loadHtml("load failed", bogusSite)
        // Since the load did not succeed the active url is the
        // url of the previous successful load.
        compare(webEngineView.url, "about:blank")
        compare(loadRequest.url, bogusSite)
    }
}
webEngineView.loadingChanged.connect(handleLoadFailed)
webEngineView.url = bogusSite
compare(webEngineView.url, bogusSite)
verify(webEngineView.waitForLoadSucceeded())
compare(webEngineView.url, bogusSite)
webEngineView.loadingChanged.disconnect(handleLoadFailed)