qa: cleanup workunit dir for each unit

This was wrongly dropped and moved to the finalizer.

Introduced-by: de824f7
Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>

qa/tasks/workunit.py

@@ -408,6 +408,9 @@ def _run_tests(ctx, refspec, role, tests, env, basedir,
                     args=args,
                     label="workunit test {workunit}".format(workunit=workunit)
                 )
+                if cleanup:
+                    args=['sudo', 'rm', '-rf', '--', scratch_tmp]
+                    remote.run(logger=log.getChild(role), args=args)
     finally:
         log.info('Stopping %s on %s...', tests, role)
         args=['sudo', 'rm', '-rf', '--', workunits_file, clonedir]