cabal update, cabal install hspec-discover

Author: dmjio

.github/workflows/ci.yml

@@ -18,7 +18,11 @@ jobs:
         with:
           nix_path: nixpkgs=channel:nixpkgs-unstable
 
+      - name: Nix channel --update
       - run: nix-channel --update
 
+      - name: Cabal update
+      - run: nix develop --command bash -c 'cabal update'
+
       - name: Build and run tests
-        run: nix develop --command bash -c 'cabal test'
+        run: nix develop --command bash -c 'cabal install hspec-discover && cabal test'