Test for bug 8121: REGRESSION: 404s are not displayed and bug 7739: REGRESSION: Assertion failure loading acid2 test in -[WebCoreFrameBridge installInFrame:]

Here is an invalid iframe. It should contain a 404 error message, not any green fallback text. Note this will only work if this page is fetched via http.

Here is an invalid object. It should be rendered with some green fallback text.

fallback text