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-rw-r--r--activemodel/test/cases/tests_database.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/activemodel/test/cases/tests_database.rb b/activemodel/test/cases/tests_database.rb
index 8ca54d2678..4a392f609f 100644
--- a/activemodel/test/cases/tests_database.rb
+++ b/activemodel/test/cases/tests_database.rb
@@ -1,6 +1,8 @@
require 'logger'
-$:.unshift(File.dirname(__FILE__) + '/../../../activerecord/lib')
+activerecord_path = File.expand_path('../../../../activerecord/lib', __FILE__)
+$:.unshift(activerecord_path) if File.directory?(activerecord_path) && !$:.include?(activerecord_path)
+
require 'active_record'
module ActiveModel