Testing pyramid, TDD workflow, mocking strategy, CI quality gates

General testing strategy and quality gates: the testing pyramid, TDD workflow, mocking and test data, and CI quality gates.

Resource files

testing-pyramid-and-strategy.md

Deciding what level to test something at, avoiding a flaky suite

tdd-workflow.md

Following red-green-refactor while building a feature

mocking-and-test-data.md

What to mock, test data setup, avoiding over-mocking

ci-quality-gates.md

What should block a merge vs. only warn