Fix failing test (not RV related)

spec/serializers/custom_wizard/wizard_field_serializer_spec.rb

@@ -33,6 +33,6 @@ describe CustomWizard::FieldSerializer do
     ).as_json
     expect(json_array[0][:format]).to eq("YYYY-MM-DD")
     expect(json_array[5][:file_types]).to eq(".jpg,.png")
-    expect(json_array[4][:number]).to eq("5")
+    expect(json_array[4][:number]).to eq(5)
   end
 end