cachix: apply workaround to NixOS#461651 on darwin

Applies the same workaround used by `hercules-ci-agent` that allows us to correctly resolve symbols from nix libraries.
Re-enables the test suite, since it now builds.

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

@@ -335,8 +335,17 @@ self: super:
       + (old.preBuild or "");
     }) super.hercules-ci-agent;
 
-    # https://github.com/NixOS/nixpkgs/issues/461651
-    cachix = dontCheck super.cachix;
+    # Template Haskell on Darwin fails to load an available symbol in these
+    # transitive dependencies since GHC 9.10.3.
+    # See issue https://github.com/NixOS/nixpkgs/issues/461651
+    cachix = overrideCabal (old: {
+      preBuild = ''
+        DYLD_INSERT_LIBRARIES="''${DYLD_INSERT_LIBRARIES:+$DYLD_INSERT_LIBRARIES:}$(pkg-config --variable=libdir nix-store)/libnixstore.dylib:$(pkg-config --variable=libdir nix-util)/libnixutil.dylib"
+        export DYLD_INSERT_LIBRARIES
+        echo "DYLD_INSERT_LIBRARIES=$DYLD_INSERT_LIBRARIES"
+      ''
+      + (old.preBuild or "");
+    }) super.cachix;
 
     # Require /usr/bin/security which breaks sandbox
     http-reverse-proxy = dontCheck super.http-reverse-proxy;