How to run Cucumber tests in parallel on Heroku CI to fix slow tests and get faster CI builds

Run Cucumber tests in parallel on Heroku CI in the optimal way and avoid bottleneck parallel jobs.

Without Knapsack Pro

you have to wait 20 minutes for slow Cucumber tests running too long on the red Heroku CI node

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Run fast parallel Heroku CI build with Knapsack Pro

Heroku CI build completes work in only 10 minutes because Knapsack Pro ensures all parallel nodes finish work at a similar time

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You can even run 20 parallel nodes to complete your Heroku CI build in 2 minutes

How it works

Knapsack Pro in Queue Mode splits tests in a dynamic way across parallel Heroku CI nodes to ensure each Heroku CI node finishes work at a similar time. Thanks to that, your CI build time is as fast as possible. It works with many supported CI servers.