Create a test file for each of the koan modules

test/koans/patterns_koans_test.exs

@@ -0,0 +1,23 @@
+defmodule PatternsTests do
+  use ExUnit.Case
+  use TestHarness
+
+  test "Pattern Matching" do
+    answers = [
+      1,
+      2,
+      1,
+      {:multiple, [1, [2,3,4]]},
+      [1,2,3,4],
+      3,
+      "eggs, milk",
+      "Honda",
+      [1,2,3],
+      {:multiple, ["Meow", "Woof", "Eh?",]},
+      "dog",
+      "Max"
+    ]
+
+    test_all(PatternMatching, answers)
+  end
+end