       list = Enum.to_list(1..10_000)
       map_fun = fn(i) -> [i, i * i] end
 
-      Benchee.run(@test_times,
-                   [{"flat_map", fn -> Enum.flat_map(list, map_fun) end},
-                    {"map.flatten",
-                    fn -> list |> Enum.map(map_fun) |> List.flatten end}])
+      Benchee.run(@test_times, %{
+        "flat_map"    => fn -> Enum.flat_map(list, map_fun) end,
+        "map.flatten" =>
+          fn -> list |> Enum.map(map_fun) |> List.flatten end
+      })
     end
 
     readme_sample_asserts(output)

    refute Regex.match? ~r/x slower/, output
  end

  test "integration multiple funs in .run" do
    output = capture_io fn ->
      Benchee.run(@test_times,
                  [{"Sleeps", fn -> :timer.sleep(10) end},


  test "integration super fast function warning is printed once per job" do
    output = capture_io fn ->
      Benchee.run(%{time: 0.01, warmup: 0.01}, %{"Sleeps" => fn -> 0 end})
    end

    warnings = output
