### CI Link

https://gradle-enterprise.elastic.co/s/ou2sap2dhy3q2/tests/:server:internalClusterTest/org.elasticsearch.snapshots.SharedClusterSnapshotRestoreIT/testDataFileFailureDuringSnapshot

### Repro line

./gradlew ':server:internalClusterTest' --tests "org.elasticsearch.snapshots.SharedClusterSnapshotRestoreIT.testDataFileFailureDuringSnapshot" -Dtests.seed=37B64CEE1DCEACEB -Dtests.locale=uk -Dtests.timezone=Africa/Lusaka -Druntime.java=17

### Does it reproduce?

Yes

### Applicable branches

main

### Failure history

_No response_

### Failure excerpt

```
java.lang.Exception: Test abandoned because suite timeout was reached. 
    at __randomizedtesting.SeedInfo.seed([37B64CEE1DCEACEB]:0)
```
server/src/main/java/org/elasticsearch/repositories/blobstore/BlobStoreRepository.java
+ (content.length() < Long.BYTES ? content.length() + " bytes" : "longer")
            );
        }
        return Numbers.bytesToLong(content.toBytesRef());
    }
    private long listBlobsToGetLatestIndexId() throws IOException {
        return latestGeneration(blobContainer().listBlobsByPrefix(INDEX_FILE_PREFIX).keySet());
    }
    private long latestGeneration(Collection<String> rootBlobs) {
        long latest = RepositoryData.EMPTY_REPO_GEN;
         (String blobName : rootBlobs) {
            if (blobName.startsWith(INDEX_FILE_PREFIX) == false) {
                continue;
            }
            try {
                final long curr = Long.parseLong(blobName.substring(INDEX_FILE_PREFIX.length()));
                latest = Math.max(latest, curr);
            } catch (NumberFormatException nfe) {
                // 
                // 
                logger.warn("[{}] Unknown blob in the repository: {}", metadata.name(), blobName);
            }
        }
        return latest;
    }
    private void writeAtomic(
        BlobContainer container,
        final String blobName,
        CheckedConsumer<OutputStream, IOException> writer,
        boolean failIfAlreadyExists