flaky `TwicePrecision` test

[nsajko]

This one failed on my unrelated PR #56906:

julia/test/ranges.jl

Line 233 in ab49eb1

@test cmp_sn2(Tw(xw/yw), astuple(x/y)..., slopbits)

ranges                                            (9) |         failed at 2025-06-13T22:24:46.778
Test Failed at /cache/build/tester-amdci5-8/julialang/julia-master/julia-157ad7a157/share/julia/test/ranges.jl:233
  Expression: cmp_sn2(Tw(xw / yw), astuple(x / y)..., slopbits)
   Evaluated: cmp_sn2(0.9954597960674716, 0.9954598f0, 1.069307f-9, 5)

https://buildkite.com/julialang/julia-master/builds/48517#01976b33-9015-41fd-aeb1-4e0a7d0a11d0/910-1251