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pytest is the industry-standard testing framework for Python, and this skill tailors its power to the specific needs of mission-critical customer support architectures. It offers deep expertise in managing complex data relationships, multi-tenant isolation, and external service integrations through advanced fixtures and parametrization strategies. Whether you're validating SLA logic, testing async background tasks, or ensuring database integrity with SQLAlchemy and PostgreSQL, this skill provides the patterns and best practices needed to build scalable, maintainable test suites for robust backend applications.
