/// <summary>
 /// Begins to run the test suite using the specified filter expression.
 /// </summary>
 /// <param name="filterExpression"></param>
 public void BeginRunByFilter(string filterExpression)
 {
     RunByFilterDelegate runbyfilter = new RunByFilterDelegate(RunByFilter);
     runbyfilter.BeginInvoke(filterExpression, null, null);
 }
        /// <summary>
        /// Begins to run the test suite using the specified filter expression.
        /// </summary>
        /// <param name="filterExpression"></param>
        public void BeginRunByFilter(string filterExpression)
        {
            RunByFilterDelegate runbyfilter = new RunByFilterDelegate(RunByFilter);

            runbyfilter.BeginInvoke(filterExpression, null, null);
        }