Merge #325844: nodejs: disable JS test suite on Darwin

    # Some dependencies required for tools/doc/node_modules (and therefore

    # test-addons, jstest and others) target are not included in the tarball.

    # Run test targets that do not require network access.

    checkTarget = lib.concatStringsSep " " [

    checkTarget = lib.concatStringsSep " " ([

      "build-js-native-api-tests"

      "build-node-api-tests"

      "tooltest"

      "cctest"

    ] ++ lib.optionals (!stdenv.isDarwin) [

      # TODO: JS test suite is too flaky on Darwin; revisit at a later date.

      "test-ci-js"

    ];

    ]);

    checkFlags = [

      # Do not create __pycache__ when running tests.