Add basic help controller spec

spec/controllers/help_controller_spec.rb

@@ -0,0 +1,16 @@
+require "spec_helper"
+
+describe HelpController, type: :controller do
+  describe "#faq" do
+    it "succeeds" do
+      get :faq
+      expect(response).to be_success
+    end
+
+    it "fails on mobile" do
+      expect {
+        get :faq, format: :mobile
+      }.to raise_error ActionView::MissingTemplate
+    end
+  end
+end