Fix/test utils camel case

[jb3rndt]

Changes made by this Pull Request

• The e2e test util functions had their names in pythonic underscore case (or what that is called) and for javascript I think camelCase is the convention (the cypress api also uses camelCase), so I thought it would fit to change that

119 has to be merged first (sorry for not squashing)

[codecov-commenter]

Codecov Report

Merging #133 (daa7f79) into dev (0fa8f2c) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #133   +/-   ##
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  Coverage   93.38%   93.38%           
=======================================
  Files          20       20           
  Lines         423      423           
=======================================
  Hits          395      395           
  Misses         28       28           

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[bewee]

It's way better like this! 👍