"""Integration tests for external services.

This package contains test suites for each external service:
- test_redis.py: Redis cache and coordination tests
- test_elasticsearch.py: Elasticsearch search and logging tests
- test_vault.py: HashiCorp Vault secrets tests
- test_kms.py: Cloud KMS encryption tests
- test_tms.py: Translation Management System tests
- test_logging_sinks.py: Loki, Fluentd integration tests
"""
