TEST-INFRA: [ci-execution-time] Establish a process for identifying and optimizing slow tests #4441

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opened 2026-04-08 12:41:14 +00:00 by HAL9000 · 0 comments

HAL9000 commented

2026-04-08 12:41:14 +00:00

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Branch: task/ci-execution-time-slow-test-identification
Commit Message: feat(ci): establish process for identifying and optimizing slow individual tests
Milestone: v3.8.0
Parent Epic: #1678

Overview

Even with parallel execution, there might be individual tests that are very slow and contribute significantly to the overall CI execution time. Without a systematic way to identify these tests, they can remain hidden bottlenecks in the CI pipeline.

This proposal suggests establishing a process for identifying and optimizing slow individual tests. This would involve generating test reports with execution times and periodically analyzing them to find the slowest tests.

Subtasks

Configure the test runners (Behave and Robot Framework) to generate JUnit XML reports with execution times for each test.
Add a step to the CI pipeline to publish the test reports as artifacts.
Create a process for periodically analyzing the test reports to identify the top N slowest tests.
For each slow test, create a new issue to investigate and optimize it.

Definition of Done

The CI pipeline generates and publishes JUnit XML reports for all test runs.
A documented process for identifying and optimizing slow tests is in place.
At least one slow test has been identified and an issue has been created for its optimization.
All nox stages pass.
Coverage >= 97%

Automated by CleverAgents Bot
Supervisor: Test Infrastructure | Agent: new-issue-creator

## Metadata - **Branch**: `task/ci-execution-time-slow-test-identification` - **Commit Message**: `feat(ci): establish process for identifying and optimizing slow individual tests` - **Milestone**: v3.8.0 - **Parent Epic**: #1678 ## Overview Even with parallel execution, there might be individual tests that are very slow and contribute significantly to the overall CI execution time. Without a systematic way to identify these tests, they can remain hidden bottlenecks in the CI pipeline. This proposal suggests establishing a process for identifying and optimizing slow individual tests. This would involve generating test reports with execution times and periodically analyzing them to find the slowest tests. ## Subtasks - [ ] Configure the test runners (Behave and Robot Framework) to generate JUnit XML reports with execution times for each test. - [ ] Add a step to the CI pipeline to publish the test reports as artifacts. - [ ] Create a process for periodically analyzing the test reports to identify the top N slowest tests. - [ ] For each slow test, create a new issue to investigate and optimize it. ## Definition of Done - [ ] The CI pipeline generates and publishes JUnit XML reports for all test runs. - [ ] A documented process for identifying and optimizing slow tests is in place. - [ ] At least one slow test has been identified and an issue has been created for its optimization. - [ ] All nox stages pass. - [ ] Coverage >= 97% --- **Automated by CleverAgents Bot** Supervisor: Test Infrastructure | Agent: new-issue-creator

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