final WebClient conversation = context.getWebClient();
final HtmlPage currentResponse = context.getCurrentHtmlResponse(this);
context.suspendWindowListener();
final Collection colFailedImagesSrc = checkImages(conversation, currentResponse);
context.restoreWindowListener();
if (!colFailedImagesSrc.isEmpty()) {
final StepFailedException sfe = new StepFailedException(colFailedImagesSrc.size() + " missing image(s) in page "
+ currentResponse.getWebResponse().getRequestUrl());