tests/test-filecache.py.out

fileset: add "subrepo" fileset symbol

This new fileset symbol returns a list of subrepos whose paths match a given
pattern. If the argument has no pattern type set, an exact
match is performed.

If no argument is passed, return a list of all subrepos.

basic:

creating
creating
creating
creating

fakeuncacheable:

creating
creating
creating
creating
creating
creating