1 files changed, 6 insertions, 6 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/domain_test.rb b/activerecord/test/cases/adapters/postgresql/domain_test.rb
index 1500adb42d..6102ddacd1 100644
--- a/activerecord/test/cases/adapters/postgresql/domain_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/domain_test.rb
@@ -1,8 +1,7 @@
-# -*- coding: utf-8 -*-
 require "cases/helper"
 require 'support/connection_helper'
 
-class PostgresqlDomainTest < ActiveRecord::TestCase
+class PostgresqlDomainTest < ActiveRecord::PostgreSQLTestCase
   include ConnectionHelper
 
   class PostgresqlDomain < ActiveRecord::Base
@@ -20,7 +19,7 @@ class PostgresqlDomainTest < ActiveRecord::TestCase
   end
 
   teardown do
-    @connection.execute 'DROP TABLE IF EXISTS postgresql_domains'
+    @connection.drop_table 'postgresql_domains', if_exists: true
     @connection.execute 'DROP DOMAIN IF EXISTS custom_money'
     reset_connection
   end
@@ -29,9 +28,10 @@ class PostgresqlDomainTest < ActiveRecord::TestCase
     column = PostgresqlDomain.columns_hash["price"]
     assert_equal :decimal, column.type
     assert_equal "custom_money", column.sql_type
-    assert column.number?
-    assert_not column.binary?
-    assert_not column.array
+    assert_not column.array?
+
+    type = PostgresqlDomain.type_for_attribute("price")
+    assert_not type.binary?
   end
 
   def test_domain_acts_like_basetype