Replace pytest-lazyfixture with pytest-lazy-fixtures

[mraspaud]

This PR replaces the obsolete pytest-lazyfixture with a new variant pytest-lazy-fixtures

• Closes #xxxx
• Tests added
• Fully documented
• Add your name to AUTHORS.md if not there already

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.95%. Comparing base (f33c3e4) to head (3b9c04e).
Report is 20 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2801   +/-   ##
=======================================
  Coverage   95.95%   95.95%           
=======================================
  Files         379      379           
  Lines       53888    53888           
=======================================
  Hits        51708    51708           
  Misses       2180     2180           

Flag	Coverage Δ
behaviourtests	4.09% <0.00%> (ø)
unittests	96.05% <100.00%> (ø)

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[coveralls]

Pull Request Test Coverage Report for Build 9154652765

Details

• 10 of 10 (100.0%) changed or added relevant lines in 10 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 96.032%

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Totals
Change from base Build 9097460123:	0.0%
Covered Lines:	51580
Relevant Lines:	53711

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💛 - Coveralls

[djhoese]

RTD is failing from the missing dependency. There is an rtd environment file somewhere.

[mraspaud]

Sorry for that! Should be fixed now

[djhoese]

Thanks!