test: enable generaldelta in 'test-debugcommand.t'
The test logic is not affected by generaldelta, so we move it to
generaldelta early. Some of the fuzzy matching had to be extended to
cover "delta".
https://bz.mercurial-scm.org/1089
$ hg init
$ mkdir a
$ echo a > a/b
$ hg ci -Am m
adding a/b
$ hg rm a
removing a/b (glob)
$ hg ci -m m a
$ mkdir a b
$ echo a > a/b
$ hg ci -Am m
adding a/b
$ hg rm a
removing a/b (glob)
$ cd b
Relative delete:
$ hg ci -m m ../a
$ cd ..