Add section to describe QA environment impact on tests
Adds a troubleshooting section to the QA failure doc to help describe what was documented in this thread: gitlab-com/gl-infra/delivery#19164 (comment 1391158331)
Adds a troubleshooting section to the QA failure doc to help describe what was documented in this thread: gitlab-com/gl-infra/delivery#19164 (comment 1391158331)