Apply suggestions from code review

Co-Authored-By: Milan Bouchet-Valat <[email protected]>

Author: greimel

src/extras.jl

@@ -121,7 +121,6 @@ function cut(x::AbstractArray{T, N}, breaks::AbstractVector;
              extend::Bool=false,
              labels::Union{AbstractVector{<:AbstractString},Function}=default_formatter,
              allow_missing::Bool=false) where {T, N}
-    
     if !issorted(breaks)
         breaks = sort(breaks)
     end

test/15_extras.jl

@@ -108,7 +108,7 @@ end
     @test levels(x) == ["[2.0, 3.5)", "[3.5, 5.0]"]
 end
 
-@testset "formatter function" begin
+@testset "cut with formatter function" begin
   my_formatter(from, to, i; closed) = "$i: $from -- $to"
 
   x = 0.15:0.20:0.95