MPFR tests: skip the log2(x) == log2(42) test (#41473)

* MPFR tests: mark the `log2(x) == log2(42)` test as broken on Windows

* Apply suggestions from code review

Co-authored-by: Simeon Schaub <[email protected]>

Co-authored-by: Simeon Schaub <[email protected]>
(cherry picked from commit fee5711)

Author: 2 people

test/mpfr.jl

@@ -606,7 +606,8 @@ end
         @test log(x) == log(42)
         @test isinf(log(BigFloat(0)))
         @test_throws DomainError log(BigFloat(-1))
-        @test log2(x) == log2(42)
+        # issue #41450
+        @test_skip log2(x) == log2(42)
         @test isinf(log2(BigFloat(0)))
         @test_throws DomainError log2(BigFloat(-1))
         @test log10(x) == log10(42)