Add emoji_for_completion helper

spec/helpers/notes_helper_spec.rb

@@ -0,0 +1,10 @@
+require 'spec_helper'
+
+describe NotesHelper do
+  describe "#emoji_for_completion" do
+    it "should be an Array of Strings" do
+      emoji_for_completion.should be_a(Array)
+      emoji_for_completion.each { |emoji| emoji.should be_a(String) }
+    end
+  end
+end