feat: add skip modifier to describe, it and test methods

[wellwelwel]

Related:

• Add .only and .skip modifiers #722

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.07%. Comparing base (56434ad) to head (210a79b).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #735      +/-   ##
==========================================
+ Coverage   99.00%   99.07%   +0.06%     
==========================================
  Files          36       37       +1     
  Lines        1712     1723      +11     
  Branches       10       10              
==========================================
+ Hits         1695     1707      +12     
  Misses          8        8              
+ Partials        9        8       -1     

Flag	Coverage Δ
linux	98.95% <100.00%> (+<0.01%)	⬆️
osx	99.01% <100.00%> (+0.06%)	⬆️
windows	98.95% <100.00%> (+<0.01%)	⬆️

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