Merge PR #35824 into master

* refs/pull/35824/head:
	vstart_runner.py: rotate logs between testcases
	vstart.sh: write logrotate conf and rotate logs
	vstart_runner: run one test method at a time...

Reviewed-by: Sidharth Anupkrishnan <sanupkri@redhat.com>
Reviewed-by: Patrick Donnelly <pdonnell@redhat.com>