[Flaky Test] metricbeat.module.redis.test_redis.Test_1 test_keyspace

## Flaky Test

* **Test Name:** test_keyspace
* **Scope:** metricbeat.module.redis.test_redis.Test_1
* **File:** metricbeat/module/redis/test_redis.py
* **Location:** metricbeat/module/redis/test_redis.py:57
* **Buildkite Link:** https://buildkite.com/organizations/elastic/analytics/suites/beats/tests/8f81ce05-73d9-829a-9d21-e03929530ab6
* **Flaky Instances:** 1
* **Latest Occurrence:** 2026-04-30T02:04:16.925Z

### Details

```json
{
"id": "8f81ce05-73d9-829a-9d21-e03929530ab6",
"web_url": "https://buildkite.com/organizations/elastic/analytics/suites/beats/tests/8f81ce05-73d9-829a-9d21-e03929530ab6",
"scope": "metricbeat.module.redis.test_redis.Test_1",
"name": "test_keyspace",
"location": "metricbeat/module/redis/test_redis.py:57",
"file_name": "metricbeat/module/redis/test_redis.py",
"instances": 1,
"latest_occurrence_at": "2026-04-30T02:04:16.925Z",
"most_recent_instance_at": "2026-04-30T02:04:16.925Z",
"last_resolved_at": null,
"ownership_team_ids": [],
"failure_examples": []
}
```

Start with metricbeat/module/redis/test_redis.py, especially Test_1.test_keyspace at line 57, and run that test to reproduce the flaky failure. Use the Buildkite link to compare the reported occurrence with local results. Done means the test passes reliably without intermittent failures.

Written by the indexing model from the issue text.