test_sesame_adapter.rb tests fail

I am running:

jruby 1.1.4 (ruby 1.8.6 patchlevel 114) (2008-10-14 rev 7881) [i386-java]
activerdf-1.6.10
activerdf_sesame-0.2.2
Java(TM) SE Runtime Environment (build 1.6.0_06-b02)
Ubuntu Linux 2.6.24-19-generic

I ran:

jruby test_sesame_adapter.rb

I got the following output with 4 failures and 2 errors:

Loaded suite test_sesame_adapter
Started
FF2008-10-20 20:51:41:481 [WARNING] Closing dangling connection due to garbage collection
F2008-10-20 20:51:41:591 [WARNING] Closing unclosed CloseableIterator org.openrdf.sail.memory.model.MemStatementIterator@bb1ee due to garbage collection.
.2008-10-20 20:51:41:901 [WARNING] Closing dangling connection due to garbage collection
2008-10-20 20:51:41:904 [WARNING] Closing dangling connection due to garbage collection
.....F.2008-10-20 20:51:42:659 [WARNING] Closing unclosed CloseableIterator org.openrdf.sail.memory.model.MemStatementIterator@12c937c due to garbage collection.
.E2008-10-20 20:51:42:741 [WARNING] Closing dangling connection due to garbage collection
2008-10-20 20:51:42:787 [WARNING] Closing unclosed CloseableIterator org.openrdf.sail.memory.model.MemStatementIterator@1643e4b due to garbage collection.
2008-10-20 20:51:42:821 [WARNING] Closing unclosed CloseableIterator org.openrdf.sail.memory.model.MemStatementIterator@ca8f43 due to garbage collection.
E.
Finished in 1.889696 seconds.

  1) Failure:
test_add_and_retrieve_triple_with_an_object_fixnum(TestSesameAdapter) [test_sesame_adapter.rb:108]:
<2> expected but was
<4>.

  2) Failure:
test_add_and_retrieve_triple_with_an_object_string(TestSesameAdapter) [test_sesame_adapter.rb:78]:
<2> expected but was
<4>.

  3) Failure:
test_add_and_retrieve_triple_with_just_uris(TestSesameAdapter) [test_sesame_adapter.rb:48]:
<2> expected but was
<3>.

  4) Failure:
test_persistence_reloading(TestSesameAdapter) [test_sesame_adapter.rb:314]:
<2> expected but was
<4>.

  5) Error:
test_remove_different_objects(TestSesameAdapter):
NoMethodError: undefined method `uri' for :s:Symbol
    /home/noah/jruby/lib/ruby/gems/1.8/gems/activerdf_sesame-0.2.2/lib/activerdf_sesame/sesame.rb:282:in `activerdf_to_sesame'
    /home/noah/jruby/lib/ruby/gems/1.8/gems/activerdf_sesame-0.2.2/lib/activerdf_sesame/sesame.rb:279:in `each'
    /home/noah/jruby/lib/ruby/gems/1.8/gems/activerdf_sesame-0.2.2/lib/activerdf_sesame/sesame.rb:279:in `each_with_index'
    /home/noah/jruby/lib/ruby/gems/1.8/gems/activerdf_sesame-0.2.2/lib/activerdf_sesame/sesame.rb:279:in `activerdf_to_sesame'
    /home/noah/jruby/lib/ruby/gems/1.8/gems/activerdf_sesame-0.2.2/lib/activerdf_sesame/sesame.rb:122:in `delete'
    test_sesame_adapter.rb:243:in `test_remove_different_objects'

  6) Error:
test_remove_permutations(TestSesameAdapter):
NoMethodError: undefined method `uri' for :s:Symbol
    /home/noah/jruby/lib/ruby/gems/1.8/gems/activerdf_sesame-0.2.2/lib/activerdf_sesame/sesame.rb:282:in `activerdf_to_sesame'
    /home/noah/jruby/lib/ruby/gems/1.8/gems/activerdf_sesame-0.2.2/lib/activerdf_sesame/sesame.rb:279:in `each'
    /home/noah/jruby/lib/ruby/gems/1.8/gems/activerdf_sesame-0.2.2/lib/activerdf_sesame/sesame.rb:279:in `each_with_index'
    /home/noah/jruby/lib/ruby/gems/1.8/gems/activerdf_sesame-0.2.2/lib/activerdf_sesame/sesame.rb:279:in `activerdf_to_sesame'
    /home/noah/jruby/lib/ruby/gems/1.8/gems/activerdf_sesame-0.2.2/lib/activerdf_sesame/sesame.rb:122:in `delete'
    test_sesame_adapter.rb:219:in `test_remove_permutations'

15 tests, 27 assertions, 4 failures, 2 errors