Fix tests if deprecated ~/.esmvaltool/config-user.yml file is available

[schlunma]

Description

Fix tests if a deprecated ~/.esmvaltool/config-user.yml file exists on the system.

Closes #2541

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.90%. Comparing base (5b28372) to head (a6884af).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2543   +/-   ##
=======================================
  Coverage   94.90%   94.90%           
=======================================
  Files         251      251           
  Lines       14295    14295           
=======================================
  Hits        13566    13566           
  Misses        729      729           

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[valeriupredoi]

very nice! Is the unwanted behaviour the same for config-developer too?

[schlunma]

config-developer.yml has not been deprecated (yet), so no problems here.

[valeriupredoi]

danke, Manu 🍺

[valeriupredoi]

@bouweandela would you spare a spare rib, I mean minute for a check and merge here pls bud 🍺