Initial fixes to plugin repo

Fixing requirements and setup for manila tempest plugin.

Depends-On: I21f2e27ba18f18ebdf07105452c0ffb6fc04bb83
Change-Id: Id773014b915817ff41b9bffd41e84e4d53fb78be
diff --git a/.stestr.conf b/.stestr.conf
index 0d36314..fb538df 100644
--- a/.stestr.conf
+++ b/.stestr.conf
@@ -1,3 +1,3 @@
 [DEFAULT]
-test_path=./manila_tempest_tests/tests
+test_path=./manila_tempest_tests
 top_dir=./