gh-3149 the @JsonCreator constructor needs to be tested.

[GCHQDev404]

Related issue

• Resolve #3149

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 66.78%. Comparing base (c0b950f) to head (8b28d97).

Additional details and impacted files

@@            Coverage Diff             @@
##             develop    #3176   +/-   ##
==========================================
  Coverage      66.78%   66.78%           
  Complexity      2558     2558           
==========================================
  Files            910      910           
  Lines          29217    29217           
  Branches        3256     3256           
==========================================
  Hits           19512    19512           
  Misses          8261     8261           
  Partials        1444     1444           

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[GCHQDeveloper314]

This should be recreated as part of #3207