public void ReplacePlaceholdersWithWildcard()
        {
            var roomMessageTopic = "chatRooms/{chatRoomName}/{user}";
            var expectedResult   = "chatRooms/+/+";

            var result = TopicsHelper.ReplacePlaceholdersWithWildcard(roomMessageTopic);

            Assert.That(result, Is.EqualTo(expectedResult));
        }