Add pending to test in PostgreSQL case

With AR default timezone set to :local, PostgreSQL driver will try to convert missing DST time and will fail.

Author: jbaiza

test/db/postgresql/simple_test.rb

@@ -79,6 +79,16 @@ def test_big_decimal
     end
   end
 
+  if Time.respond_to?(:zone)
+    # @override
+    def test_time_in_dst_change_hour_local
+      if ENV['CI']
+        pend 'TODO: CI: with AR default timezone set to :local PostgreSQL driver will not convert DST missing hour time'
+      end
+      super
+    end
+  end
+
   def test_encoding
     assert_not_nil connection.encoding
   end