Flaky test: TestReplaceConflictMultipleKeysNonclusteredPk in lightning/pkg/errormanager

Automated flaky test report.

Title: Flaky test: TestReplaceConflictMultipleKeysNonclusteredPk in lightning/pkg/errormanager
- Repo: pingcap/tidb
- Package: lightning/pkg/errormanager
- Case: TestReplaceConflictMultipleKeysNonclusteredPk
- Branch: master
- Flaky Count: 1
- Time Thresholded Count: 0
- Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/pull_unit_test_next_gen/8311/

Window: 2026-08-31T00:00:00.000Z → 2026-09-01T00:00:00.000Z
Threshold: 100000 ms

Note: This issue is created for a specific branch; updates may be posted as comments.

Start in lightning/pkg/errormanager and run TestReplaceConflictMultipleKeysNonclusteredPk repeatedly, using the linked Prow build as context for the reported flake. Read the test and its failure output to identify the nondeterministic behavior; done means the test passes reliably on master without masking the conflict-replacement case.

Written by the indexing model from the issue text.