message: fix test case that can fail based on the case of the drive letter used
diff: @@ -235,7 +235,11 @@ TEST_CASE ("generate_nuspec", "[generate_nuspec]")
  {{VcpkgCmdArguments::VCPKG_ROOT_DIR_ENV.to_string(), root.value_or_exit(VCPKG_LINE_INFO)}});
  }
  args.packages_root_dir = std::make_unique<std::string>("/");
  - auto pkgPath = fsWrapper.absolute("/zlib2_x64-windows", VCPKG_LINE_INFO) / "**";
  + auto pkgPath = fsWrapper.absolute("/zlib2_x64-windows", VCPKG_LINE_INFO);
  +#if defined(_WIN32)
  + pkgPath = vcpkg::win32_fix_path_case(pkgPath);
  +#endif // ^^^ _WIN32
  + pkgPath = pkgPath / "**";
  pkgPath.make_preferred();
  const auto pkgPathStr = pkgPath.native();
  VcpkgPaths paths(fsWrapper, args);
  