Fix using attributes in unittest

Resource generic_rsrc.ResourceWithComplexAttributes does not have needed
attributes in attribute schema and should be replaced on
generic_rsrc.ResWithComplexPropsAndAttrs.

Change-Id: I5ac60e95fe88bb7a2b9f4a2b612e55561afccd0d
Closes-Bug: #1298204
Merge "Fix using attributes in unittest"