not a responsibility for rails to test

1 files changed, 0 insertions, 10 deletions

diff --git a/activerecord/test/cases/associations/join_model_test.rb b/activerecord/test/cases/associations/join_model_test.rb
index 1ece961d2e..4581cb1acd 100644
--- a/activerecord/test/cases/associations/join_model_test.rb
+++ b/activerecord/test/cases/associations/join_model_test.rb
@@ -44,16 +44,6 @@ class AssociationsJoinModelTest < ActiveRecord::TestCase
     assert !authors(:mary).unique_categorized_posts.loaded?
   end
 
-  def test_column_caching
-    # pre-heat our cache
-    Post.arel_table.columns
-    Comment.columns
-
-    Post.connection.column_calls = 0
-    2.times { Post.joins(:comments).to_a }
-    assert_equal 0, Post.connection.column_calls
-  end
-
   def test_has_many_uniq_through_find
     assert_equal 1, authors(:mary).unique_categorized_posts.find(:all).size
   end