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Skip tests that pass on the current build: Re-run optimization in Cypress Cloud

Blog post from Cypress

Post Details
Company
Date Published
Author
-
Word Count
801
Company Posts That Month
7
Language
English
Hacker News Points
-
Post removed?
No
Summary

Cypress Cloud introduced Re-run Optimization, a Smart Orchestration feature for Business and Enterprise plans and free trials that detects CI reruns and skips tests that previously passed, allowing teams to focus on failures while reducing execution time, CI usage, and billable test results. Designed for failures caused by unstable environments, third-party dependencies, or live-system conditions rather than test design alone, the feature helps teams gain faster confirmation of issues blocking releases or merges. Customer production data indicates that median reruns skip 92% of tests and finish 9.3 minutes faster, while large suites with few failures have skipped up to 99.8% of tests and saved 36 minutes. Organizations can choose spec-level reruns, which rerun all tests in failed specs and are safer for shared test state, or test-level reruns, which rerun only failed, new, or changed tests and require Cypress 15.21.0 or later. Cypress also provides Run Cancellation and Run Completion APIs to manage run states, since reruns initiated before a prior run is marked complete execute the full suite, and administrators can enable the feature through organization or project settings.

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