fix fixtures test as table_name is a string now

Author: lest

activerecord/test/cases/fixtures_test.rb

@@ -782,7 +782,7 @@ def test_named_accessor_for_randomly_named_namespaced_fixture_and_class
   end
 
   def test_table_name_is_defined_in_the_model
-    assert_equal :randomly_named_table, ActiveRecord::Fixtures::all_loaded_fixtures["admin/randomly_named_a9"].table_name
-    assert_equal :randomly_named_table, Admin::ClassNameThatDoesNotFollowCONVENTIONS.table_name
+    assert_equal 'randomly_named_table', ActiveRecord::Fixtures::all_loaded_fixtures["admin/randomly_named_a9"].table_name
+    assert_equal 'randomly_named_table', Admin::ClassNameThatDoesNotFollowCONVENTIONS.table_name
   end
 end