Fix RequesterT test on older GHC

Author: Ericson2314

src/Reflex/Class.hs

@@ -210,7 +210,7 @@ import Data.IntMap.Strict (IntMap)
 import qualified Data.IntMap.Strict as IntMap
 import Data.List.NonEmpty (NonEmpty (..))
 import Data.Map (Map)
-import Data.Semigroup (Semigroup, sconcat, stimes, (<>))
+import Data.Semigroup (Semigroup (..))
 import Data.Some (Some(Some))
 import Data.String
 import Data.These

test/RequesterT.hs

@@ -25,6 +25,9 @@ import Data.Functor.Misc
 import Data.List (words)
 import Data.Map (Map)
 import qualified Data.Map as M
+#if MIN_VERSION_these(4,11,0)
+import Data.Semigroup ((<>))
+#endif
 import Data.Text (Text)
 import Data.These
 import Text.Read (readMaybe)
@@ -229,4 +232,4 @@ deriveArgDict ''TestRequest
 instance Show (TestRequest a) where
   show = \case
     TestRequest_Reverse str -> "reverse " <> str
-    TestRequest_Increment i -> "increment " <> show i
+    TestRequest_Increment i -> "increment " <> show i