public void TestVolumeListToMap()
        {
            ImmutableHashSet <AbsoluteUnixPath> input =
                ImmutableHashSet.Create(
                    AbsoluteUnixPath.Get("/var/job-result-data"),
                    AbsoluteUnixPath.Get("/var/log/my-app-logs"));
            ImmutableSortedDictionary <string, IDictionary <object, object> > expected =
                new Dictionary <string, IDictionary <object, object> >
            {
                ["/var/job-result-data"] = ImmutableDictionary.Create <object, object>(),
                ["/var/log/my-app-logs"] = ImmutableDictionary.Create <object, object>()
            }.ToImmutableSortedDictionary();

            Assert.AreEqual(expected, ImageToJsonTranslator.VolumesSetToMap(input));
        }