1 files changed, 6 insertions, 4 deletions
diff --git a/activerecord/test/cases/adapter_test.rb b/activerecord/test/cases/adapter_test.rb
index 6656a9bf50..99e3d7021d 100644
--- a/activerecord/test/cases/adapter_test.rb
+++ b/activerecord/test/cases/adapter_test.rb
@@ -214,10 +214,12 @@ module ActiveRecord
       assert_equal "special_db_type", @connection.type_to_sql(:special_db_type)
     end
 
-    def test_log_invalid_encoding
-      assert_raise ActiveRecord::StatementInvalid do
-        @connection.send :log, "SELECT 'ы' FROM DUAL" do
-          raise 'ы'.force_encoding(Encoding::ASCII_8BIT)
+    unless current_adapter?(:PostgreSQLAdapter)
+      def test_log_invalid_encoding
+        assert_raise ActiveRecord::StatementInvalid do
+          @connection.send :log, "SELECT 'ы' FROM DUAL" do
+            raise 'ы'.force_encoding(Encoding::ASCII_8BIT)
+          end
         end
       end
     end