Raise deprecation for calling `[:f] = 'b'` or `[:f] << 'b'`

Revert some tests to ensure back compatibility

2 files changed, 6 insertions, 6 deletions

diff --git a/activemodel/test/models/person_with_validator.rb b/activemodel/test/models/person_with_validator.rb
index 44e78cbc29..fbb28d2a0f 100644
--- a/activemodel/test/models/person_with_validator.rb
+++ b/activemodel/test/models/person_with_validator.rb
@@ -5,7 +5,7 @@ class PersonWithValidator
 
   class PresenceValidator < ActiveModel::EachValidator
     def validate_each(record, attribute, value)
-      record.errors[attribute] << "Local validator#{options[:custom]}" if value.blank?
+      record.errors.add(attribute, message: "Local validator#{options[:custom]}") if value.blank?
     end
   end
 
diff --git a/activemodel/test/models/reply.rb b/activemodel/test/models/reply.rb
index 6bb18f95fe..f340b6fb14 100644
--- a/activemodel/test/models/reply.rb
+++ b/activemodel/test/models/reply.rb
@@ -11,24 +11,24 @@ class Reply < Topic
   validate :check_wrong_update,     on: :update
 
   def check_empty_title
-    errors[:title] << "is Empty" unless title && title.size > 0
+    errors.add(:title, "is Empty") unless title && title.size > 0
   end
 
   def errors_on_empty_content
-    errors[:content] << "is Empty" unless content && content.size > 0
+    errors.add(:content, "is Empty") unless content && content.size > 0
   end
 
   def check_content_mismatch
     if title && content && content == "Mismatch"
-      errors[:title] << "is Content Mismatch"
+      errors.add(:title, "is Content Mismatch")
     end
   end
 
   def title_is_wrong_create
-    errors[:title] << "is Wrong Create" if title && title == "Wrong Create"
+    errors.add(:title, "is Wrong Create") if title && title == "Wrong Create"
   end
 
   def check_wrong_update
-    errors[:title] << "is Wrong Update" if title && title == "Wrong Update"
+    errors.add(:title, "is Wrong Update") if title && title == "Wrong Update"
   end
 end