[HDFS-15577] Refactor TestTracing

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.4.0
• Component/s: test
• Labels: pull-request-available
• Assignee: Takanobu Asanuma
• Reporter: Takanobu Asanuma
• Created: 14/Sep/20 10:18
• Updated: 28/Sep/20 09:28
• Resolved: 28/Sep/20 09:28

Description

There are some unused imports, unused variables, and checkstyle warnings.

Issue Links

• links to: GitHub Pull Request #2302