1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/unsigned_type_test.rb b/activerecord/test/cases/adapters/mysql2/unsigned_type_test.rb
index b01f5d7f5a..97da96003d 100644
--- a/activerecord/test/cases/adapters/mysql2/unsigned_type_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/unsigned_type_test.rb
@@ -54,7 +54,7 @@ class Mysql2UnsignedTypeTest < ActiveRecord::Mysql2TestCase
     end
 
     @connection.columns("unsigned_types").select { |c| /^unsigned_/.match?(c.name) }.each do |column|
-      assert column.unsigned?
+      assert_predicate column, :unsigned?
     end
   end