Other Gateway 17.1 chores

[phavekes]

This issue is imported from pivotal - Originaly created at Apr 7, 2020 by Michiel Kodde

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EST. 4h

[phavekes]

Regarding 1: this will probably be a non issue once we migrate to Symfony 4. The issue was environment related (we need to switch to a test env in certain test situations). (Michiel Kodde - Oct 14, 2020)