use mautic in test mode to speed up tests

[mollux]

by using test env, we can use the speed optimised password hashing with md5

before

after

[codecov-commenter]

Codecov Report

Merging #309 (ff3b26a) into main (c6c23d5) will decrease coverage by 0.10%. The diff coverage is n/a.

:exclamation: Current head ff3b26a differs from pull request most recent head 2738b68. Consider uploading reports for the commit 2738b68 to get more accurate results

@@             Coverage Diff              @@
##               main     #309      +/-   ##
============================================
- Coverage     52.59%   52.49%   -0.10%     
  Complexity      390      390              
============================================
  Files            30       30              
  Lines          1042     1042              
============================================
- Hits            548      547       -1     
- Misses          494      495       +1     

see 1 file with indirect coverage changes

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