haskellPackages.rio: skip a broken test on aarch64-darwin

pkgs/development/haskell-modules/configuration-darwin.nix

@@ -281,7 +281,16 @@ self: super: ({
 
   # https://github.com/fpco/unliftio/issues/87
   unliftio = dontCheck super.unliftio;
-
+  # This is the same issue as above; the rio tests call functions in unliftio
+  # that have issues as tracked in the GitHub issue above. Once the unliftio
+  # tests are fixed, we can remove this as well.
+  #
+  # We skip just the problematic tests by replacing 'it' with 'xit'.
+  rio = overrideCabal (drv: {
+    preConfigure = ''
+      sed -i 's/\bit /xit /g' test/RIO/FileSpec.hs
+    '';
+  }) super.rio;
 
   # https://github.com/haskell-crypto/cryptonite/issues/360
   cryptonite = appendPatch ./patches/cryptonite-remove-argon2.patch super.cryptonite;