[e2e] Race conditions: 🐎 Cancelations, and Fullfillment

[anxolin]

[good to have] End to End test for https://github.com/gnosis/gp-swap-ui/issues/165 To make it reproducible we can fake the REDUX triggered action (easier than faking the eth event)

Some other e2e already do this.

[elena-zh]

not 100% fixed: sometimes the issue is reproducible: https://github.com/gnosis/cowswap/issues/974#issuecomment-888434777

[alfetopito]

This was meant as a task to automate the check for this. Which of course we never got around to doing...

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you think it shouldn't be closed, speak now or forever hold your peace.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you think it shouldn't be closed, speak now or forever hold your peace.