Add extensions for yesod-persistent tests to be compatible with latest persistent-template

The upcoming version of persistent-template will require these yesodweb/persistent#1002

yesod-persistent/ChangeLog.md

@@ -1,5 +1,11 @@
 # ChangeLog for yesod-persistent
 
+## 1.6.0.4
+
+* Fix test suite to be compatible with latest `persistent-template`
+* See https://github.com/yesodweb/persistent/pull/1002
+* [#]()
+
 ## 1.6.0.3
 
 * Replace call to `connPrepare` with `getStmtConn`. [#1635](https://github.com/yesodweb/yesod/issues/1635)

yesod-persistent/test/Yesod/PersistSpec.hs

@@ -4,6 +4,8 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE UndecidableInstances #-}
+{-# LANGUAGE DerivingStrategies #-}
+{-# LANGUAGE StandaloneDeriving #-}
 module Yesod.PersistSpec where
 
 import Test.Hspec

yesod-persistent/yesod-persistent.cabal

@@ -1,5 +1,5 @@
 name:            yesod-persistent
-version:         1.6.0.3
+version:         1.6.0.4
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>