[LogsDB] [Subscription basic] [oracle] Failing test daily: system test: systemstatistics in oracle.system_statistics

- Stack version: maximum of either the version used in PR builds or 8.17.0 (GA version for LogsDB index mode)
- LogsDB: enabled
- Subscription: basic
- Package: oracle
- Failing test: system test: systemstatistics
- DataStream: system_statistics
- Owners:
- @elastic/obs-infraobs-integrations

Failure:
```
test case failed: one or more errors found in documents stored in metrics-oracle.system_statistics-68441 data stream: [0] found error.message in event: [cannot open connection: testing connection: user="sys" standalone params={authMode:2 connectionClass: connectionClassLength:0 purity:0 newPassword: newPasswordLength:0 appContext: numAppContext:0 externalAuth:0 externalHandle: pool: tag: tagLength:0 matchAnyTag:0 outTag: outTagLength:0 outTagFound:0 shardingKeyColumns: numShardingKeyColumns:0 superShardingKeyColumns: numSuperShardingKeyColumns:0 outNewSession:0}: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor]
```

First build failed: https://buildkite.com/elastic/integrations/builds/38977

Latest failed builds:
- https://buildkite.com/elastic/integrations/builds/39277