[FLINK-21771] Replace StreamTaskTestHarness#TestTaskMetricGroup

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.14.0
• Component/s: Runtime / Metrics, Runtime / Task, Tests
• Labels: auto-unassigned pull-request-available
• Assignee: Chesnay Schepler
• Reporter: Chesnay Schepler
• Created: 13/Mar/21 13:38
• Updated: 16/Jul/21 10:30
• Resolved: 16/Jul/21 10:30

Description

Reduce reliance on MetricGroup constructors by creating the metric groups through the usual API.

Issue Links

• links to: GitHub Pull Request #15187