Flaky tests.
Named, fixed, quarantined.
Flaky tests are not random noise. They follow patterns, and the patterns are specific to each test framework. Once you name the pattern, you can kill it. This guide covers every major framework, with the fixes we have seen work across thousands of CI pipelines.
Pick your framework
Every framework has its own flakiness patterns. Start with yours.
Fake timers, snapshot drift, and the async traps behind flaky Jest suites.
Read the guide →Fixture teardown races, xdist ordering, and Hypothesis seed non-determinism.
Read the guide →cy.wait() races, network stubbing, and retry-ability gotchas.
Coming soonAuto-waiting versus explicit waits, trace-level debugging, and retry config.
Read the guide →Thread vs fork pool, mock hoisting, and shared-state snapshot flakiness.
Coming soonOrder-dependent specs, database_cleaner strategies, and rspec-retry pitfalls.
Coming soonParallelization races, fixture loading, and test isolation in Rails suites.
Coming soont.Parallel() races, goroutine leaks, and nondeterministic map iteration.
Coming soonTest-thread races, async runtime drift, and cargo test parallelism.
Coming soonMethod ordering, Surefire forking, and shared static state in Spring tests.
Coming soonDependency groups, parallel methods, and retry analyzers done wrong.
Coming soonTest isolation, database transactions, and dataProvider non-determinism.
Coming soonHigher-order tests, parallel execution, and the Laravel testing stack.
Coming soonParallelizableAttribute, TestContext races, and fixture reuse pitfalls.
Coming soonAssembly initialization, DeploymentItem races, and parallel test settings.
Coming soonKill flaky tests across every framework in your stack.
Purpose-built for teams who take delivery speed and reliability seriously.