test: css stuff

[alexander-akait]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

More tests

Breaking Changes

No

Additional Info

css-selector-tokenizer break some selectors when you use modules

[codecov]

Codecov Report

Merging #855 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #855   +/-   ##
=======================================
  Coverage   99.45%   99.45%           
=======================================
  Files          10       10           
  Lines         365      365           
  Branches      101      101           
=======================================
  Hits          363      363           
  Misses          2        2

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