hugo: skip flaky server tests

  vendorHash = "sha256-swcj1JxYoRqKscu/IC0uiAATp4AXN0aANWkSq/mJsyc=";

  checkFlags = [

  checkFlags =

    let

      skippedTestPrefixes = [

        # Workaround for "failed to load modules"

    "-skip=TestCommands/mod"

        "TestCommands/mod"

        # Server tests are flaky, at least in x86_64-darwin. See #368072

        # We can try testing again after updating the `httpget` helper

        # ref: https://github.com/gohugoio/hugo/blob/v0.140.1/main_test.go#L220-L233

        "TestCommands/server"

      ];

    in

    [ "-skip=^${builtins.concatStringsSep "|^" skippedTestPrefixes}" ];

  proxyVendor = true;