Here's a very ambiguous CI issue during parallelization It happens because Chrome rolls out varying versions of Chrome, and if the parallelized CI machines do not match that versios, you get the error. Sporadic issue. It's the first time I saw it externally.

You passed the --parallel flag, but we do not parallelize tests across different environments.

This machine is sending different environment parameters than the first machine that started this parallel run.

The existing run is: https://cloud.cypress.io/projects/7mypio/runs

In order to run in parallel mode each machine must send identical environment parameters such as:

 - specs
 - osName
 - osVersion
 - browserName
 - browserVersion (major)

This machine sent the following parameters:

{
  "osName": "linux",
  "osVersion": "Ubuntu - ",
  "browserName": "Chrome",
  "browserVersion": "107.0.5304.121",

https://github.com/muratkeremozcan/tour-of-heroes-react-cypress-ts/actions/runs/3642676076/jobs/6150068190 to work around it, we have to ensure the same Chrome version in all CI machines https://github.com/muratkeremozcan/tour-of-heroes-react-cypress-ts/pull/187/commits/f0d37f6fd9bea8d124a30135d2193a8d6c04abc0

- name: Install Specific Chrome Version
        run: |
          sudo apt-get install -y wget
          sudo wget -q https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
          sudo apt-get install ./google-chrome-stable_current_amd64.deb

This adds CI minutes. It would be ideal if Cypress had a solution to it for parallelization.