fix(deps): update module github.com/stretchr/testify to v1.8.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/stretchr/testify	require	minor	v1.7.5 -> v1.8.0

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Release Notes

stretchr/testify

v1.8.0

Compare Source

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[codecov-commenter]

Codecov Report

Merging #242 (e1293a2) into master (1bf6137) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #242   +/-   ##
=======================================
  Coverage   78.21%   78.21%           
=======================================
  Files          29       29           
  Lines         964      964           
=======================================
  Hits          754      754           
  Misses        163      163           
  Partials       47       47           

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