[FLINK-31385] Introduce extended Assertj Matchers for completable futures

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.18.0, 1.17.3
• Component/s: Tests
• Labels: pull-request-available
• Assignee: David Morávek
• Reporter: David Morávek
• Created: 09/Mar/23 14:40
• Updated: 24/Nov/23 06:55
• Resolved: 10/Mar/23 17:08

Description

Introduce extended Assertj Matchers for completable futures that don't rely on timeouts.

In general, we want to avoid relying on timeouts in the Flink test suite to get additional context (thread dump) in case something gets stuck.

Issue Links

• links to: GitHub Pull Request #22140