1 files changed, 6 insertions, 6 deletions
diff --git a/activerecord/test/cases/migration/create_join_table_test.rb b/activerecord/test/cases/migration/create_join_table_test.rb
index 83fb4f9385..a1e5fb1115 100644
--- a/activerecord/test/cases/migration/create_join_table_test.rb
+++ b/activerecord/test/cases/migration/create_join_table_test.rb
@@ -95,42 +95,42 @@ module ActiveRecord
         connection.create_join_table :artists, :musics
         connection.drop_join_table :artists, :musics
 
-        assert !connection.table_exists?("artists_musics")
+        assert_not connection.table_exists?("artists_musics")
       end
 
       def test_drop_join_table_with_strings
         connection.create_join_table :artists, :musics
         connection.drop_join_table "artists", "musics"
 
-        assert !connection.table_exists?("artists_musics")
+        assert_not connection.table_exists?("artists_musics")
       end
 
       def test_drop_join_table_with_the_proper_order
         connection.create_join_table :videos, :musics
         connection.drop_join_table :videos, :musics
 
-        assert !connection.table_exists?("musics_videos")
+        assert_not connection.table_exists?("musics_videos")
       end
 
       def test_drop_join_table_with_the_table_name
         connection.create_join_table :artists, :musics, table_name: :catalog
         connection.drop_join_table :artists, :musics, table_name: :catalog
 
-        assert !connection.table_exists?("catalog")
+        assert_not connection.table_exists?("catalog")
       end
 
       def test_drop_join_table_with_the_table_name_as_string
         connection.create_join_table :artists, :musics, table_name: "catalog"
         connection.drop_join_table :artists, :musics, table_name: "catalog"
 
-        assert !connection.table_exists?("catalog")
+        assert_not connection.table_exists?("catalog")
       end
 
       def test_drop_join_table_with_column_options
         connection.create_join_table :artists, :musics, column_options: { null: true }
         connection.drop_join_table :artists, :musics, column_options: { null: true }
 
-        assert !connection.table_exists?("artists_musics")
+        assert_not connection.table_exists?("artists_musics")
       end
 
       def test_create_and_drop_join_table_with_common_prefix