Add email: true so test isn't using stale email (#1343)

**Why**: Tests fail otherwise

spec/features/users/sign_up_spec.rb

@@ -23,7 +23,7 @@
     end
   end
 
-  context 'user cancels on the enter password screen' do
+  context 'user cancels on the enter password screen', email: true do
     it 'returns them to the home page' do
       email = '[email protected]'