Currently, one can either use "*" to denote all filenames,
or to give the specific file name to run the tests in.
This commit adds the possibility to run all tests
matching the shell wildcard, e.g. TEST="test_acl_plugin*"
will execute all ACL plugin testcases.
Change-Id: I9048a601958947c7b757c3dfd57b19cdd8a1e3c0
Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>