CONSOLE MESSAGE: ApplicationCache is deprecated. Please use ServiceWorkers instead.
Tests that we do not load the fallback entry when the manifest does not have Content-Type text/cached-manifest and the fallback namespace is outside the manifest path.

Fallback namespace under the manifest path:
PASS did load fallback entry with fallback namespace under manifest path.
Fallback namespace outside of manifest path:
PASS did not load fallback entry with fallback namespace outside manifest path.