guard against LAPACK least squares solver test failure #25287
Merged
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Modify a LAPACK least squares solver test to guard against chance failure due to poor conditioning of the test matrices. Failure identified by @vtjnash in https://ci.appveyor.com/project/JuliaLang/julia/build/1.0.22839/job/gam4o5u92uhi6e5j. Best!
(Did I make the test matrices too well conditioned again, Andreas? 😉)