test: fix identifier for CssModule

[alexander-akait]

This PR contains a:

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

Motivation / Use-Case

fix identifier

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #677 (e50fd62) into master (359c00f) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #677   +/-   ##
=======================================
  Coverage   88.75%   88.75%           
=======================================
  Files          11       11           
  Lines         676      676           
  Branches      184      183    -1     
=======================================
  Hits          600      600           
  Misses         73       73           
  Partials        3        3           

Impacted Files	Coverage Δ
src/CssModule.js	56.00% <100.00%> (ø)

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