/// <summary>
        /// Create a new instance of <see cref="DMLibTestMethodSetAttribute"/> containing specific
        /// valid transfer directions from a query string. Query string format:
        ///     propertyName1=value1,propertyName2=value2...
        /// e.g.
        /// To specify all valid async copy directions to blob:
        ///     DestType=CloudBlob,IsAsync=true
        /// </summary>
        /// <param name="queryString">Query string</param>
        public DMLibTestMethodSetAttribute(string queryString)
        {
            this.AddTestMethodAttribute(AllValidDirectionSet);

            DMLibDirectionFilter directionFilter = new DMLibDirectionFilter(queryString);
            this.AddDirectionFilter(directionFilter);
        }
        /// <summary>
        /// Create a new instance of <see cref="DMLibTestMethodSetAttribute"/> containing specific
        /// valid transfer directions from a query string. Query string format:
        ///     propertyName1=value1,propertyName2=value2...
        /// e.g.
        /// To specify all valid async copy directions to blob:
        ///     DestType=CloudBlob,IsAsync=true
        /// </summary>
        /// <param name="queryString">Query string</param>
        public DMLibTestMethodSetAttribute(string queryString)
        {
            this.AddTestMethodAttribute(AllValidDirectionSet);

            DMLibDirectionFilter directionFilter = new DMLibDirectionFilter(queryString);

            this.AddDirectionFilter(directionFilter);
        }