Add Era module to Babbage testlib

Author: Lucsanszky

eras/babbage/impl/CHANGELOG.md

@@ -9,6 +9,9 @@
 * Expose constructor `MkBabbageTxBody`
 * Deprecate `spendInputs'`, `collateralInputs'`, `referenceInputs'`, `outputs'`, `collateralReturn'`, `totalCollateral'`, `certs'`, `txfee'`, `withdrawals'`, `vldt'`, `update'`, `reqSignerHashes'`, `adHash'`, `mint'`, `scriptIntegrityHash'`, `spendInputs'`, `txnetworkid'`.
 
+### `testlib`
+
+* Added `Era` module with `BabbageEraTest` class
 
 ## 1.11.0.0
 

eras/babbage/impl/cardano-ledger-babbage.cabal

@@ -102,6 +102,7 @@ library testlib
     Test.Cardano.Ledger.Babbage.Binary.Annotator
     Test.Cardano.Ledger.Babbage.Binary.Cddl
     Test.Cardano.Ledger.Babbage.CDDL
+    Test.Cardano.Ledger.Babbage.Era
     Test.Cardano.Ledger.Babbage.Imp
     Test.Cardano.Ledger.Babbage.Imp.UtxowSpec
     Test.Cardano.Ledger.Babbage.ImpTest

eras/babbage/impl/testlib/Test/Cardano/Ledger/Babbage/Era.hs

@@ -0,0 +1,32 @@
+{-# LANGUAGE UndecidableSuperClasses #-}
+{-# OPTIONS_GHC -Wno-orphans #-}
+
+module Test.Cardano.Ledger.Babbage.Era (
+  module Test.Cardano.Ledger.Alonzo.Era,
+  BabbageEraTest,
+) where
+
+import Cardano.Ledger.Babbage
+import Cardano.Ledger.Babbage.Core
+import Test.Cardano.Ledger.Alonzo.Era
+import Test.Cardano.Ledger.Babbage.Arbitrary ()
+import Test.Cardano.Ledger.Babbage.TreeDiff ()
+
+class
+  ( AlonzoEraTest era
+  , BabbageEraTxBody era
+  , BabbageEraPParams era
+  ) =>
+  BabbageEraTest era
+
+instance EraTest BabbageEra
+
+instance ShelleyEraTest BabbageEra
+
+instance AllegraEraTest BabbageEra
+
+instance MaryEraTest BabbageEra
+
+instance AlonzoEraTest BabbageEra
+
+instance BabbageEraTest BabbageEra