add touch option on message model

Author: sairamsrinivasan

spec/models/message.rb

@@ -6,9 +6,9 @@ class Message
   field :to
 
   if Mongoid::Compatibility::Version.mongoid6_or_newer?
-    belongs_to :user, optional: true
+    belongs_to :user, optional: true, touch: true
   else
-    belongs_to :user, touch: true
+    belongs_to :user
   end
 
   validates :identifier, uniqueness: { message: 'uniqueness' }

spec/unit/associations_spec.rb

@@ -48,7 +48,7 @@
 
   describe Message do
     if Mongoid::Compatibility::Version.mongoid6_or_newer?
-      it { is_expected.to belong_to(:user).with_optional }
+      it { is_expected.to belong_to(:user).with_optional.with_touch(true) }
     end
   end
 end