[LU-2717] Correct MDS/MDT in test-framework

• Type: Improvement
• Resolution: Unresolved
• Priority: Minor
• Story Points: 5
• Severity: 3
• Assignee: Jian Yu
• Reporter: Di Wang

Description

In current test-framework, MDS is misused to refer a target. And we should fix this as we did for OSS/OST, so we can config MDS and MDT for DNE test.