Fix failing tests

test/koans/functions_koans_test.exs

@@ -10,7 +10,7 @@ defmodule FunctionsTests do
       {:multiple, ["Hello Hello Hello Hello Hello ","Hello Hello "]},
       {:multiple, [:entire_list, :single_thing]},
       {:multiple, ["10 is bigger than 5", "4 is not bigger than 27"]},
-      {:multiple, ["It was zero", "The length was 5"]},
+      {:multiple, ["The number was zero", "The number was 5"]},
       6,
       6,
       100,

test/koans/maps_koans_test.exs

@@ -11,9 +11,9 @@ defmodule MapsTests do
       {:ok, 37},
       {:ok, 16},
       false,
-      %{:name => "Jon", :last_name => "Snow"},
+      %{:first_name => "Jon", :last_name => "Snow"},
       {:ok, "Baratheon"},
-      %{ :name => "Jon", :last_name => "Snow"},
+      %{:first_name => "Jon", :last_name => "Snow"},
     ]
 
     test_all(Maps, answers)