March 31, 2026
CheatsheetMost Python test suites have the same problem: they cost more trouble than they save. CI jobs that take forever, tests that break on every refactor, flaky pipelines you keep restarting. After years of writing (and deleting) tests, I've landed on 7 qualities that separate tests worth keeping from tests that just slow you down.
April 10, 2024
Focuses on execution speed and parallel test strategies for comprehensive testing.
March 27, 2024
Explores the concept of observable behavior in software testing.
March 11, 2024
Introduces the principle of behavior-focused testing versus implementation-focused approaches.