forkClient, effectiveSystemProperties, testProvidingInputStream );
                    }
                };

                results.add( executorService.submit( pf ) );
            }

            for ( Future<RunResult> result : results )
            {
                try
                {
                    RunResult cur = result.get();
                    if ( cur != null )
                    {
                        globalResult = globalResult.aggregate( cur );
                    }
                    else
                    {
                        throw new SurefireBooterForkException( "No results for " + result.toString() );
                    }
                }
                catch ( InterruptedException e )
                {
                    throw new SurefireBooterForkException( "Interrupted", e );
                }
                catch ( ExecutionException e )
                {
                    throw new SurefireBooterForkException( "ExecutionException", e );
                }
            }
            return globalResult;

        }
        finally
        {
            closeExecutor( executorService );
        }

    }

    @SuppressWarnings( "checkstyle:magicnumber" )
    private RunResult runSuitesForkPerTestSet( final SurefireProperties effectiveSystemProperties, final int forkCount )