tests: rename 'test-module-import.t' into 'test-check-module-import.t'
This test is checking our source code to ensure style and correct behavior (eg:
no cycle). Current convention is that such tests starts with 'test-check-' so we
flock this on back with the others.
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 ..