Developer Uses Copilot Instructions File To Improve Tests
A blog post published April 5, 2026 explains how to use a .github/copilot-instructions.md file to point Cypress end-to-end specs at relevant top-level page source files so Copilot can infer accurate selectors. The author shows mapping spec paths (for example cypress/e2e/players.cy.ts) to src/routes files, advises using stable data-cy attributes, and enabling the instructions in VSCode. This reduces flaky completions and speeds test writing.
Scoring Rationale
Actionable tutorial with direct applicability to test authors; scores well on actionability and relevance but is a single-author how-to with limited novelty. Timely (published today) adds a small boost.
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Sources
- Read OriginalTell Copilot Where To Find Test Selectorsglebbahmutov.com
