Adding 3-step test workflow for sprint2
Adding 3-step test workflow for sprint2

broadinstitute/cromwell,cowmoo/cromwell,cowmoo/cromwell,cowmoo/cromwell,ohsu-comp-bio/cromwell,broadinstitute/cromwell,ohsu-comp-bio/cromwell,broadinstitute/cromwell,dgtester/cromwell,broadinstitute/cromwell,dgtester/cromwell,ohsu-comp-bio/cromwell,dgtester/cromwell,broadinstitute/cromwell