Parameterize test instead of having duplicate

[oyvindeide]

Issue
Some cleaning up of tests.

Pre review checklist

• Added appropriate labels

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[codecov-commenter]

Codecov Report

Merging #2810 (40d09e0) into main (1ab7882) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2810      +/-   ##
==========================================
- Coverage   65.23%   65.20%   -0.04%     
==========================================
  Files         651      653       +2     
  Lines       53549    53496      -53     
  Branches     4784     4790       +6     
==========================================
- Hits        34935    34883      -52     
+ Misses      17041    17011      -30     
- Partials     1573     1602      +29     

Impacted Files	Coverage Δ
res/enkf/plot_data/ensemble_plot_gen_kw.py	53.70% <0.00%> (-29.63%)	⬇️
libres/lib/enkf/row_scaling.cpp	58.94% <0.00%> (-12.64%)	⬇️
...es/enkf/plot_data/ensemble_plot_gen_data_vector.py	57.14% <0.00%> (-9.53%)	⬇️
res/enkf/config/gen_data_config.py	76.05% <0.00%> (-7.05%)	⬇️
ert_shared/models/single_test_run.py	80.00% <0.00%> (-6.67%)	⬇️
res/job_queue/forward_model_status.py	88.75% <0.00%> (-5.00%)	⬇️
res/enkf/plot_data/ensemble_plot_gen_kw_vector.py	57.14% <0.00%> (-4.77%)	⬇️
ert_shared/models/base_run_model.py	81.81% <0.00%> (-3.17%)	⬇️
libres/lib/enkf/enkf_plot_gendata.cpp	19.65% <0.00%> (-3.12%)	⬇️
ert_shared/status/tracker/evaluator.py	75.43% <0.00%> (-2.64%)	⬇️
... and 34 more

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[sondreso]

Looks good, one small comment!

[markusdregi]

Verified that the removed test equals the parameterisation now included. Change the name and then I think this is good to go 🚀