test: special characters in file name

[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

No

[codecov]

Codecov Report

Merging #1011 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1011   +/-   ##
=======================================
  Coverage   99.54%   99.54%           
=======================================
  Files          10       10           
  Lines         443      443           
  Branches      127      127           
=======================================
  Hits          441      441           
  Misses          2        2

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