[FLINK-21759] Add TestMetricGroup

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.14.0
• Component/s: Runtime / Metrics, Tests
• Labels: auto-deprioritized-major auto-unassigned pull-request-available
• Assignee: Chesnay Schepler
• Reporter: Chesnay Schepler
• Created: 13/Mar/21 11:15
• Updated: 17/Jul/21 06:13
• Resolved: 17/Jul/21 06:12

Description

Add a customizable standalone test MetricGroup, so that tests relying on some actual MetricGroup behavior no longer have to rely on the runtime implementations.

Issue Links

• is blocked by: FLINK-21758 Add default implementations for all MetricGroup methods accepting ints
• links to: GitHub Pull Request #15177