While launching blueprints into sandboxes is ok, the plugin should also allow for the launching of test suites (under job scheduling).  This way test cases can be attached to those blueprints

curl -s --noproxy '*' -H "Authorization: Basic $TOKEN" -H "Content-Type: application/json" "$URL/api/scheduling/suitetemplates/$SUITE

curl -s --noproxy '*' -H "Authorization: Basic $TOKEN" -H "Content-Type: application/json" "$URL/api/scheduling/suites/status/$JOB

The current method of launching blueprints requires the user community to modify the setup/teardown or add service objects to the blueprint to trigger testing.  Whereas calling a test suite would allow the user to simply attach the tests to the job (no special coding)