Fix tests which started to fail due to commit 0123c39f

Due to commit 0123c39f, column
topic.unique_replies_count has been added, and these test started to
fail since the tests depends on the topic tables column info.

activerecord/test/cases/base_test.rb

@@ -1236,7 +1236,7 @@ def test_inspect_class
 
   def test_inspect_instance
     topic = topics(:first)
-    assert_equal %(#<Topic id: 1, title: "The First Topic", author_name: "David", author_email_address: "david@loudthinking.com", written_on: "#{topic.written_on.to_s(:db)}", bonus_time: "#{topic.bonus_time.to_s(:db)}", last_read: "#{topic.last_read.to_s(:db)}", content: "Have a nice day", important: nil, approved: false, replies_count: 1, parent_id: nil, parent_title: nil, type: nil, group: nil, created_at: "#{topic.created_at.to_s(:db)}", updated_at: "#{topic.updated_at.to_s(:db)}">), topic.inspect
+    assert_equal %(#<Topic id: 1, title: "The First Topic", author_name: "David", author_email_address: "david@loudthinking.com", written_on: "#{topic.written_on.to_s(:db)}", bonus_time: "#{topic.bonus_time.to_s(:db)}", last_read: "#{topic.last_read.to_s(:db)}", content: "Have a nice day", important: nil, approved: false, replies_count: 1, unique_replies_count: 0, parent_id: nil, parent_title: nil, type: nil, group: nil, created_at: "#{topic.created_at.to_s(:db)}", updated_at: "#{topic.updated_at.to_s(:db)}">), topic.inspect
   end
 
   def test_inspect_new_instance

activerecord/test/cases/reflection_test.rb

@@ -35,18 +35,18 @@ def test_human_name
 
   def test_read_attribute_names
     assert_equal(
-      %w( id title author_name author_email_address bonus_time written_on last_read content important group approved replies_count parent_id parent_title type created_at updated_at ).sort,
+      %w( id title author_name author_email_address bonus_time written_on last_read content important group approved replies_count unique_replies_count parent_id parent_title type created_at updated_at ).sort,
       @first.attribute_names.sort
     )
   end
 
   def test_columns
-    assert_equal 17, Topic.columns.length
+    assert_equal 18, Topic.columns.length
   end
 
   def test_columns_are_returned_in_the_order_they_were_declared
     column_names = Topic.columns.map { |column| column.name }
-    assert_equal %w(id title author_name author_email_address written_on bonus_time last_read content important approved replies_count parent_id parent_title type group created_at updated_at), column_names
+    assert_equal %w(id title author_name author_email_address written_on bonus_time last_read content important approved replies_count unique_replies_count parent_id parent_title type group created_at updated_at), column_names
   end
 
   def test_content_columns