knot-resolver: enable more tests

Apparently luarocks works now on aarch64-darwin.

pkgs/servers/dns/knot-resolver/default.nix

@@ -79,8 +79,7 @@ unwrapped = stdenv.mkDerivation rec {
     rm -r "$out"/lib/sysusers.d/ # ATM more likely to harm than help
   '';
 
-  doInstallCheck = with stdenv; hostPlatform == buildPlatform
+  doInstallCheck = with stdenv; hostPlatform == buildPlatform;
-    && !(isDarwin && isAarch64); # avoid luarocks, as it's broken ATM on the platform
   installCheckInputs = [ cmocka which cacert lua.cqueues lua.basexx lua.http ];
   installCheckPhase = ''
     meson test --print-errorlogs