fix: update broken test settings and fix warnings

[arslanashraf7]

What are the relevant tickets?

124

What's this PR do?

• Fixes broken tests
• Fixes new warnings
• Fixes codejail package installation issue in CI

How should this be manually tested?

• The CI checks are green
• Overall functionality of the xBlock (Because we'll fix some warnings that might change the function code itself)
• No pending warnings

Where should the reviewer start?

Anyone reviewing should start with the code review and the parts where we are setting up our test data

Any background context you want to provide?

Mentioned in #124

Reviewer Note: If you wonder about anything in the PR, a look at this comment might help. Otherwise, let me know anyway.

[codecov-commenter]

Codecov Report

Merging #126 (fa8ba79) into master (27c4752) will increase coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #126      +/-   ##
==========================================
+ Coverage   91.41%   91.42%   +0.01%     
==========================================
  Files          18       18              
  Lines         629      630       +1     
  Branches       41       54      +13     
==========================================
+ Hits          575      576       +1     
  Misses         50       50              
  Partials        4        4              

Impacted Files	Coverage Δ
rapid_response_xblock/block.py	99.12% <100.00%> (ø)
rapid_response_xblock/logger.py	100.00% <100.00%> (ø)
tests/test_aside.py	100.00% <100.00%> (ø)
tests/utils.py	92.53% <100.00%> (+0.11%)	:arrow_up: