facts("Utilities") do

    context("Base.abs returns all positive numbers") do
        @fact sum((abs(cl .- op) .>= 0).values) --> length(cl)
    end
  
    context("pad correctly pads NaN values for non-existent values") do
        @fact sum((abs(cl .- op) .>= 0).values) --> length(cl)
    end
  
    context("pad correctly pads NaN values for missing values") do
        @fact sum((abs(cl .- op) .>= 0).values) --> length(cl)
    end
end
