Deduplicate feature tests

[AJenbo]

Type: refactoring Breaking change: no

Remove redundant tests that where left over from older versions of the parser.

[codecov[bot]]

Codecov Report

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

Project coverage is 89.57%. Comparing base (f0bfc3b) to head (f8500dd).

Additional details and impacted files

@@             Coverage Diff              @@
##                3.x     #747      +/-   ##
============================================
- Coverage     89.61%   89.57%   -0.05%     
  Complexity     3418     3418              
============================================
  Files           144      144              
  Lines          9119     9119              
============================================
- Hits           8172     8168       -4     
- Misses          947      951       +4     

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[AJenbo]

Sweet, that was the last manual clean up :)