Do not suggest refactoring to something that is also deprecated

[GrahamCampbell]

No description provided.

[codecov]

Codecov Report

Merging #4017 into 8.5 will decrease coverage by 0.04%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##                8.5    #4017      +/-   ##
============================================
- Coverage     84.91%   84.86%   -0.05%     
  Complexity     3921     3921              
============================================
  Files           153      153              
  Lines         10093    10093              
============================================
- Hits           8570     8565       -5     
- Misses         1523     1528       +5

Impacted Files	Coverage Δ	Complexity Δ
src/Framework/TestCase.php	81.81% <0%> (ø)	339 <0> (ø)	⬇️
src/Runner/Version.php	64.7% <0%> (-5.89%)	8% <0%> (ø)
src/Util/PHP/AbstractPhpProcess.php	71.97% <0%> (-2.55%)	43% <0%> (ø)

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