All API 0.6 functional tests now pass.

app/models/way.rb

@@ -222,7 +222,7 @@ class Way < ActiveRecord::Base
   def create_with_history(user)
     check_create_consistency(self, user)
     if !self.preconditions_ok?
-      raise OSM::APIPreconditionsFailedError.new
+      raise OSM::APIPreconditionFailedError.new
     end
     self.version = 0
     self.visible = true

test/functional/way_controller_test.rb

@@ -140,8 +140,8 @@ class WayControllerTest < Test::Unit::TestCase
       "<nd ref='#{nid1}'/></way></osm>"
     put :create
     # expect failure
-    assert_response :precondition_failed, 
-        "way upload to closed changeset did not return 'precondition failed'"    
+    assert_response :conflict, 
+        "way upload to closed changeset did not return 'conflict'"    
   end
 
   # -------------------------------------