fixed tests

test/functional/artists_controller_test.rb

@@ -44,9 +44,9 @@ class ArtistsControllerTest < ActionController::TestCase
     
     should "update an artist" do
       post :update, {:id => @artist.id, :artist => {:name => "xxx"}}, {:user_id => @user.id}
-      artist = Artist.last
-      assert_equal("xxx", artist.name)
-      assert_redirected_to(artist_path(artist))
+      @artist.reload
+      assert_equal("xxx", @artist.name)
+      assert_redirected_to(artist_path(@artist))
     end
     
     should "revert an artist" do

test/functional/ip_bans_controller_test.rb

@@ -48,7 +48,7 @@ class IpBansControllerTest < ActionController::TestCase
       
       should "destroy an ip ban" do
         assert_difference("IpBan.count", -1) do
-          post :destroy, {:id => @ip_ban.id}, {:user_id => @admin.id}
+          post :destroy, {:id => @ip_ban.id, :format => "js"}, {:user_id => @admin.id}
         end
       end
     end