create items in test, not in the schema.

test/Feature/RangeSpec.hs

@@ -8,7 +8,8 @@ import Network.Wai.Test (SResponse(simpleHeaders,simpleStatus))
 import SpecHelper
 
 spec :: Spec
-spec = beforeAll resetDb $ around withApp $
+spec = beforeAll (resetDb >> createItems 15) . afterAll_ (clearTable "items")
+  . around withApp $
   describe "GET /items" $ do
 
     context "without range headers" $