shuke987 opened a new pull request, #65802:
URL: https://github.com/apache/doris/pull/65802
### What problem does this PR solve?
Issue Number: N/A
Related PR: #65205, #65546
Problem Summary:
`org.apache.doris.nereids.jobs.joinorder.joinhint.DistributeHintTest.testLeading`
is a muted, unseeded randomized FE UT. TeamCity build 1000223 recorded the
test as `FAILURE` while the parent build remained `SUCCESS`; the random
optimized plan reached the test-side `HyperGraphBuilderOld` evaluator with a
missing map entry and threw a `NullPointerException` before the equality oracle
could complete.
The failure is not caused by the triggering PR #65784, whose changes are
limited to Iceberg, Parquet, table-reader, and external-catalog paths. A
bounded history snapshot also found muted failures across independent master
and release-branch PR builds.
This PR removes only the `testLeading` JUnit entry. It leaves `testHintJoin`
and the shared helper code unchanged. Deterministic leading-hint behavior
remains covered by the `query_p0/hint/fix_leading.groovy`,
`multi_leading.groovy`, and `test_hint.groovy` regression suites.
User/developer impact: no product behavior changes; FE UT no longer executes
this non-reproducible randomized test entry.
Validation:
```text
./run-fe-ut.sh --run
org.apache.doris.nereids.jobs.joinorder.joinhint.DistributeHintTest
Round 1: Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
Round 2: Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
```
Both rounds completed with `BUILD SUCCESS`, including FE checkstyle and
compilation. `git diff --check` also passed.
### Release note
None
### Check List (For Author)
- Test
- [ ] Regression test
- [x] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason
- Behavior changed:
- [x] No.
- [ ] Yes.
- Does this need documentation?
- [x] No.
- [ ] Yes.
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label
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