Replace test for Apple Mx processors

[villegar]

Replace test for Apple Mx processors without assumptions of tolerance, this test is these tests are based on observed behaviour for the stats::cor and stats::cor.test functions, where the approximation for the correlation for some vectors is nearly 1, resulting in 1 - cor(x, y) > 0, when the expected value should be 0. For example, when x = y = c(0.0, 3.0, 7.0)

[StuartWheater]

Thanks, will create RC4 tomorrow (probably), and will include "Replace test for Apple Mx process ..." text in the notes to the CRAN.

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 29.42%. Comparing base (2c209f0) to head (b8e80af).
⚠️ Report is 17 commits behind head on v6.3.4-dev.
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Additional details and impacted files

@@             Coverage Diff             @@
##           v6.3.4-dev     #422   +/-   ##
===========================================
  Coverage       29.42%   29.42%           
===========================================
  Files             138      138           
  Lines            5729     5729           
===========================================
  Hits             1686     1686           
  Misses           4043     4043           

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