adding a specific case for clone testing

activerecord/test/cases/clone_test.rb

@@ -0,0 +1,33 @@
+require "cases/helper"
+require 'models/topic'
+
+module ActiveRecord
+  class CloneTest < ActiveRecord::TestCase
+    fixtures :topics
+
+    def test_persisted
+      topic = Topic.first
+      cloned = topic.clone
+      assert topic.persisted?, 'topic persisted'
+      assert cloned.persisted?, 'topic persisted'
+      assert !cloned.new_record?, 'topic is not new'
+    end
+
+    def test_stays_frozen
+      topic = Topic.first
+      topic.freeze
+
+      cloned = topic.clone
+      assert cloned.persisted?, 'topic persisted'
+      assert !cloned.new_record?, 'topic is not new'
+      assert cloned.frozen?, 'topic should be frozen'
+    end
+
+    def test_shallow
+      topic = Topic.first
+      cloned = topic.clone
+      topic.author_name = 'Aaron'
+      assert_equal 'Aaron', cloned.author_name
+    end
+  end
+end

activerecord/test/cases/duplication_test.rb

@@ -23,31 +23,6 @@ module ActiveRecord
       assert_nil duped.id
     end
 
-    def test_clone_persisted
-      topic = Topic.first
-      cloned = topic.clone
-      assert topic.persisted?, 'topic persisted'
-      assert cloned.persisted?, 'topic persisted'
-      assert !cloned.new_record?, 'topic is not new'
-    end
-
-    def test_clone_keeps_frozen
-      topic = Topic.first
-      topic.freeze
-
-      cloned = topic.clone
-      assert cloned.persisted?, 'topic persisted'
-      assert !cloned.new_record?, 'topic is not new'
-      assert cloned.frozen?, 'topic should be frozen'
-    end
-
-    def test_clone_is_shallow
-      topic = Topic.first
-      cloned = topic.clone
-      topic.author_name = 'Aaron'
-      assert_equal 'Aaron', cloned.author_name
-    end
-
     def test_dup_with_modified_attributes
       topic = Topic.first
       topic.author_name = 'Aaron'