Adds more tests.

[wasv]

Short description of what this resolves:

Adding tests for each command in Yoda.

Changes proposed in this pull request:

• Adding tests in the test/ directory.

Fixes: #16

[wasv]

This is still a work in progress. I'm submitting this pull request early to allow for comments on tests while I add them.

[codecov-io]

Codecov Report

Merging #57 into master will increase coverage by 12.6%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #57      +/-   ##
==========================================
+ Coverage   27.61%   40.21%   +12.6%     
==========================================
  Files          18       21       +3     
  Lines        1159     1206      +47     
==========================================
+ Hits          320      485     +165     
+ Misses        839      721     -118

Impacted Files	Coverage Δ
tests/test_chat.py	100% <100%> (ø)
tests/test_health.py	100% <100%> (ø)
tests/test_diary.py	100% <100%> (ø)
util.py	36.53% <0%> (+3.84%)	⬆️
yoda.py	55.05% <0%> (+16.85%)	⬆️
modules/chat.py	86.95% <0%> (+30.43%)	⬆️
modules/health.py	100% <0%> (+40%)	⬆️
... and 1 more

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[manparvesh]

@wastevensv
Sure, let me know whenever you are done with it.
Thanks for taking out time to contribute!

[wasv]

Unfortunately, I think this is as much as I will be able to do for the time being. I might try and do more another time.

[manparvesh]

@wastevensv I understand. Thank you so much for contributing! 😄