Add basic test just checking the database creation is successful

MANIFEST.in

@@ -4,7 +4,7 @@ recursive-include cubicweb_activitystream *.py
 recursive-include cubicweb_activitystream/data *.gif *.png *.ico *.css *.js
 recursive-include cubicweb_activitystream/i18n *.po
 recursive-include cubicweb_activitystream/wdoc *
-recursive-include test/data bootstrap_cubes *.py
+recursive-include test *.py
 include *.ini
 prune debian
 prune cubicweb-activitystream.spec

test/test_activitystream.py

+from cubicweb.devtools.testlib import CubicWebTC
+
+
+class ActivityStreamTC(CubicWebTC):
+
+    def test_db_create(self):
+        # just checking db create pass
+        pass
+
+
+if __name__ == '__main__':
+    import unittest
+    unittest.main()