I20220302-1800
Add a sleep between jar modifications to make sure file timestamp differs on Mac Change-Id: If94e5b32d43ef64227ca132b42de92d28b17e316 Reviewed-on: https://git.eclipse.org/r/c/jdt/eclipse.jdt.core/+/191297 Tested-by: JDT Bot <jdt-bot@eclipse.org> Reviewed-by: Andrey Loskutov <loskutov@gmx.de>