Refactor simplify tests

[Borda]

What does this PR do?

move functions to helpers and create Simple regression and classification model

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[pep8speaks]

Hello @Borda! Thanks for updating this PR.

• In the file tests/helpers/datamodules.py:

Line 164:100: W292 no newline at end of file

• In the file tests/helpers/datasets.py:

Line 258:27: W292 no newline at end of file

Comment last updated at 2021-02-07 20:06:37 UTC

[codecov]

Codecov Report

Merging #5861 (1119a6b) into release/1.2-dev (42812bb) will decrease coverage by 0%.
The diff coverage is n/a.

@@               Coverage Diff                @@
##           release/1.2-dev   #5861    +/-   ##
================================================
- Coverage               88%     88%    -0%     
================================================
  Files                  181     181            
  Lines                12929   12760   -169     
================================================
- Hits                 11425   11244   -181     
- Misses                1504    1516    +12     

[carmocca]

What's the point of the base -> helpers rename?

[Borda]

What's the point of the base -> helpers rename?

I feel like it was confusing name and also separate the items which will go further from deprecated EvalModule which shall be removed, so what left in base shall be dropped

[tchaton]

Looks great ! Awesome contrib.