diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index 8b384c2513147..fe64692df6718 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -1339,6 +1339,9 @@ def test_custom_primary_key_on_new_record_should_fetch_with_query
     author = Author.new(:name => "David")
     assert !author.essays.loaded?
 
+    # cache metadata in advance to avoid extra sql statements executed while testing
+    Essay.first
+
     assert_queries 1 do
       assert_equal 1, author.essays.size
     end