return follow object from unfollow method, apparently exclamation points are syntactically necessary

Author: sneakers-the-rat

app/models/concerns/account/interactions.rb

@@ -103,6 +103,8 @@ def unfollow!(other_account)
     follow = active_relationships.find_by(target_account: other_account)
     follow&.destroy
     try(:invalidate_mute_boosts_cache)
+
+    follow
   end
 
   def unblock!(other_account)

spec/models/concerns/account/interactions_spec.rb

@@ -757,9 +757,9 @@
 
       it 'evicts the cache of boost muted accounts' do
         expect(me.excluded_boosts_from_timeline_account_ids).to be_empty
-        me.follow(you, reblogs: false)
+        me.follow!(you, reblogs: false)
         expect(me.excluded_boosts_from_timeline_account_ids).to include(you.id)
-        me.follow(you, reblogs: true)
+        me.follow!(you, reblogs: true)
         expect(me.excluded_boosts_from_timeline_account_ids).to be_empty
       end
     end