Our CI tests fail on merge/push but pass on rerun

[qxf2]

I observed this several times today when updating a branch and then subsequently merging to master. Our tests failed with:

2022-03-03 13:55:42.030 | CRITICAL | utils.Base_Logging:write:105 - test_succesive_form_creation | FAIL: Failed to submit the form number 2 
On url: https://qxf2.com/selenium-tutorial-main
Exception when trying to run test :/root/project/tests/test_successive_form_creation.py
Python says:Stopping test because: Failed to submit the form number 2 
On url: https://qxf2.com/selenium-tutorial-main
FAILEDException when trying to run test: /root/project/conftest.py
Python says:'NoneType' object has no attribute 'quit

URL: https://app.circleci.com/pipelines/github/qxf2/qxf2-page-object-model/346/workflows/77c956e0-5e07-4151-8290-cc451c9fcfb3/jobs/1191

When I rerun the test, the run passes. We need to investigate this.