Initial fixes to plugin repo

Fixing requirements and setup for manila tempest plugin.

Depends-On: I21f2e27ba18f18ebdf07105452c0ffb6fc04bb83
Change-Id: Id773014b915817ff41b9bffd41e84e4d53fb78be
diff --git a/requirements.txt b/requirements.txt
index 1d18dd3..33ac7c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 pbr>=2.0 # Apache-2.0
+
+ddt>=1.0.1 # MIT
+oslo.log>=3.30.0 # Apache-2.0
+tempest>=17.1.0 # Apache-2.0
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