test: add e2e test for submission happy path

Simple click through of the submission form in its current state.

Mostly here just to get people used to the idea of writing and updating these tests as we develop further.

added 5 commits

• a6e56a57...c0dcfe3f - 4 commits from branch master
• 59388d03 - Merge branch 'master' into 'test-happy-path'

Compare with previous version

enabled an automatic merge when the pipeline for 59388d03 succeeds

merged

mentioned in commit 52f8b945