test/threading_test.rb in mongo-0.20.1 vs test/threading_test.rb in mongo-1.0

@@ -15,10 +15,10 @@
 
     @duplicate.insert("test" => "insert")
     @duplicate.insert("test" => "update")
     @unique.insert("test" => "insert")
     @unique.insert("test" => "update")
-    @unique.create_index("test", true)
+    @unique.create_index("test", :unique => true)
   end
 
   def test_safe_update
     set_up_safe_data
     threads = []