# agentic-testing

Published articles for agentic-testing.

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## Test the Diff, Not the App

DevFeed: [Test the Diff, Not the App](<https://devfeed.tech/articles/test-the-diff-not-the-app-63336.md>)

Original publisher: [Read original article](<https://hackernoon.com/test-the-diff-not-the-app?source=rss>)

Author: QA.tech

Published: 2026-10-01T11:19:14Z

Content type: article

Language: en

Sources: [HackerNoon](<https://devfeed.tech/sources/hackernoon.md>)

Topics: [Test automation](<https://devfeed.tech/topics/test-automation.md>), [Pull Request](<https://devfeed.tech/topics/pull-request.md>), [Software Engineering](<https://devfeed.tech/topics/software-engineering.md>), [test impact analysis](<https://devfeed.tech/topics/test-impact-analysis.md>), [ai code review](<https://devfeed.tech/topics/ai-code-review.md>), [CI/CD](<https://devfeed.tech/topics/cicd.md>)

Tags: [agentic-testing](<https://devfeed.tech/tags/agentic-testing.md>), [ai-code-review](<https://devfeed.tech/tags/ai-code-review.md>), [ai-testing](<https://devfeed.tech/tags/ai-testing.md>), [automation](<https://devfeed.tech/tags/automation.md>), [code-review](<https://devfeed.tech/tags/code-review.md>), [coding-agent](<https://devfeed.tech/tags/coding-agent.md>), [good-company](<https://devfeed.tech/tags/good-company.md>), [pr](<https://devfeed.tech/tags/pr.md>), [regression](<https://devfeed.tech/tags/regression.md>), [regression-testing](<https://devfeed.tech/tags/regression-testing.md>), [software-testing](<https://devfeed.tech/tags/software-testing.md>), [test-automation](<https://devfeed.tech/tags/test-automation.md>), [testing](<https://devfeed.tech/tags/testing.md>), [testing-pull-requests](<https://devfeed.tech/tags/testing-pull-requests.md>)

### AI overview

Dynamic PR testing creates and runs tests for the behavior affected by a code change in a live application before the pull request is merged. The article argues that it complements test impact analysis, code review and a small regression suite by checking new or changed behavior that existing tests may miss. It also describes risk-weighted testing and notes that reliable preview environments are important for useful pre-merge feedback.

### Source excerpt

Dynamic PR testing verifies code changes before merge by testing new behavior against a live application, complementing regression suites and AI code review.