Fix random delay in mapping json file

[StefH]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 34.87%. Comparing base (5e25ca7) to head (41be918).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1386      +/-   ##
==========================================
- Coverage   36.22%   34.87%   -1.36%     
==========================================
  Files         152      165      +13     
  Lines       35428    41745    +6317     
==========================================
+ Hits        12833    14557    +1724     
- Misses      22100    26677    +4577     
- Partials      495      511      +16     

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