public void TestRemoveDictionary()
        {
            var doc      = new MutableDocument("doc1");
            var profile1 = new MutableDictionaryObject();

            profile1.SetString("name", "Scott Tiger");
            doc.SetDictionary("profile", profile1);
            doc.GetDictionary("profile").ShouldBeEquivalentTo(profile1, "because that was what was inserted");
            doc.Contains("profile").Should().BeTrue("because a value exists for that key");

            doc.Remove("profile");
            doc.GetValue("profile").Should().BeNull("beacuse the value for 'profile' was removed");
            doc.Contains("profile").Should().BeFalse("because the value was removed");

            profile1.SetInt("age", 20);
            profile1.GetString("name").Should().Be("Scott Tiger", "because the dictionary object should be unaffected");
            profile1.GetInt("age").Should().Be(20, "because the dictionary should still be editable");

            doc.GetValue("profile").Should()
            .BeNull("because changes to the dictionary should not have any affect anymore");

            var savedDoc = Db.Save(doc);

            savedDoc.GetValue("profile").Should().BeNull("beacuse the value for 'profile' was removed");
            savedDoc.Contains("profile").Should().BeFalse("because the value was removed");
        }