An example failing test.

intelo.rb

require 'minitest/autorun'

def foo(has)
end

describe "Intelo's problem" do
  let :has do
    [[1, 1], [["a", "a"], ["b", "b"]], [2, 2], [["c", "c"], ["d", "d"]], [3, 3]]
  end

  let :wants do
    {1=>1, "a"=>"a", "b"=>"b", 2=>2, "c"=>"c", "d"=>"d", 3=>3}
  end

  it 'is as desired' do
    assert_equal foo(has), wants
  end
end