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adapters/linear: TestRateLimitDeadlineReturnsTypedRateLimited flakes under -race #109
Description
TestRateLimitDeadlineReturnsTypedRateLimited in adapters/linear failed once under -race during local validation of #108:
harden_capability_test.go:209: err = Post "http://127.0.0.1:38387/graphql": context deadline exceeded, want *linear.RateLimited (deadline-bounded, not slept off)
The run was GOFLAGS=-race mise run test with Go 1.27.1, while other module tests ran in parallel. The test passed 10 of 10 times with go test -race -count=10 -run TestRateLimitDeadlineReturnsTypedRateLimited ./adapters/linear/. #108 did not change the root module's go.mod or go.sum.
Likely cause (I did not verify this): the test gives PostThought a 50 ms context. On a loaded machine under -race, the first POST to the test server can take longer than 50 ms, before the 429 reply arrives. The client then returns a plain context deadline exceeded instead of *linear.RateLimited.
To reproduce, run the test under CPU load, for example with -race -count=200 -cpu=1 while another heavy test suite runs.
Generated with xum • Model: anthropic:claude-opus-5-5 • Thinking: high
Activity
ThomasK33 commentedon Oct 13, 2026
Triage: accepted as a test flake. The issue has a repro and a likely cause, so it is ready for an agent. Acceptance: the test passes reliably under
-race -cpu=1with CPU load, and it still asserts that a 429 inside the deadline returns*linear.RateLimited. Don't weaken the assertion.Generated with
xum• Model:anthropic:claude-opus-5-5• Thinking:medium