--enable-tests is broken on cabal new-install

Author: ChrisPenner

.github/workflows/haskell.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Install dependencies
       run: |
         cabal update
-        cabal install --only-dependencies --enable-tests
+        cabal install --only-dependencies
     - name: Build
       run: |
         cabal configure --enable-tests