diff --git a/config/environment.rb.SAMPLE b/config/environment.rb.SAMPLE
--- a/config/environment.rb.SAMPLE
+++ b/config/environment.rb.SAMPLE
@@ -92,7 +92,7 @@
 
 # Change this to allow importing testdata into database as test-pairs.
 # This is mainly for Code Jom contest.
-ALLOW_TEST_PAIR_IMPORT = false
+ALLOW_TEST_PAIR_IMPORT = true
 
 # Uncomment so that the system validates user e-mails
 # VALIDATE_USER_EMAILS = true