[LU-17769] Allow test-framework to repeat subtests for a specific duration

• Type: Task
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Severity: 3
• Assignee: Charlie Olmstead
• Reporter: Charlie Olmstead

Description

To support Autotest running changed subtests for an approximate duration (ATM-2666), the test framework should allow a subtest to be repeated for X minutes. Something like ONLY_REPEAT_MINS=60.