fix: wip new pipeline

nix/scripts/run-ci-tests.nix

@@ -28,7 +28,7 @@
 
     ${pkgs.eza}/bin/eza -T -L2
 
-    if ! ${pkgs.nodePackages_latest.mocha}/bin/mocha --colors --jobs 1 --bail --recursive ''${TEST_CASES_PATH}
+    if ! ${pkgs.nodejs_20}/bin/npx mocha --colors --jobs 1 --bail --recursive ''${TEST_CASES_PATH}
     then
        echo "Tests failed, check your JS!"
        exit 1