More stable tests

Author: mtfishman

test/test_basics.jl

@@ -104,7 +104,7 @@ end
   for f in MATRIX_FUNCTIONS
     @eval begin
       fa = $f($a)
-      @test collect(fa) ≈ $f(collect($a)) rtol = √(eps(real(eltype($a))))
+      @test collect(fa) ≈ $f(collect($a)) rtol = ∜(eps(real(eltype($a))))
       @test fa.a isa Eye
     end
   end
@@ -125,7 +125,7 @@ end
   for f in MATRIX_FUNCTIONS
     @eval begin
       fa = $f($a)
-      @test collect(fa) ≈ $f(collect($a)) rtol = √(eps(real(eltype($a))))
+      @test collect(fa) ≈ $f(collect($a)) rtol = ∜(eps(real(eltype($a))))
       @test fa.b isa Eye
     end
   end