Improve Testing

[ctuguinay]

Improve Testing

This PR addresses #58, #107, #85, #112, #113, #99, #53, #28, #120:

• Created and used a new testing suite: New EVL, new EVR, new Zarr file
• New testing suite resolved the warning that arose from #85
• Refactored tests
• Added fixtures
• Added hints
• Added marks
• Added/improved upon numpy docstrings for tests and fixtures
• Added further tests for Lines and Regions2D
• Added functionality and tests for EVR parser to handle missing bbox values and no regions
• Removed the unused convert_points function
• Fixes docstrings that appeared as errors in the readthedocs
• Used Pathlib instead of OS

[codecov[bot]]

Codecov Report

Merging #115 (467a26a) into main (25a4518) will increase coverage by 4.42%. The diff coverage is 89.65%.

@@            Coverage Diff             @@
##             main     #115      +/-   ##
==========================================
+ Coverage   80.21%   84.64%   +4.42%     
==========================================
  Files          13       13              
  Lines         551      534      -17     
==========================================
+ Hits          442      452      +10     
+ Misses        109       82      -27     

Files Changed	Coverage Δ
echoregions/utils/api.py	76.38% <ø> (ø)
echoregions/utils/time.py	82.75% <75.00%> (-2.43%)	:arrow_down:
echoregions/regions2d/regions2d.py	83.72% <80.00%> (+3.20%)	:arrow_up:
echoregions/lines/lines.py	91.76% <100.00%> (+3.81%)	:arrow_up:
echoregions/regions2d/regions2d_parser.py	100.00% <100.00%> (+4.34%)	:arrow_up:
echoregions/utils/__init__.py	100.00% <100.00%> (ø)
echoregions/utils/io.py	67.56% <100.00%> (+22.88%)	:arrow_up:

... and 1 file with indirect coverage changes

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[ctuguinay]

Hey, could you guys take a look at this PR when you are free? @leewujung @valentina-s

Mostly fixing up tests and some cosmetic/documentation modifications. Nothing really changed with functionality.

[ctuguinay]

Hey @valentina-s, just addressed your comments in the most recent pushes!