test-filecache.py: make setbeforeget test clearer
'0' and 'None' as outputs tripped me up. Make the distinction between values
set externally and values computed by calling the decorated function clearer.
basic:
creating
creating
creating
creating
fakeuncacheable:
creating
creating
creating
creating
creating
creating
repository tip rolled back to revision -1 (undo commit)
working directory now based on revision -1
repository tip rolled back to revision -1 (undo commit)
working directory now based on revision -1
setbeforeget:
string set externally
creating
string from function