SoapUI - Test suite execution in blocked status

When running a test plan containing a SoapUI ITPI with a test reference linked to a test suite (example: soapUIProject/soapUIFile#soapuiTestSuite) it ends in "Blocked" status.

The problem is similar to what was encountered on Robot and JUnit.

Original issue: https://project.squashtest.org/browse/SQUASH-3762

Edited by Jean-Marc BELORGANE