more and better tests

especially vool

test/risc/test_method_compiler.rb

@@ -12,9 +12,6 @@ module Risc
       vool.to_mom(nil)
       vool
     end
-    def in_test_mom(str)
-      FIXMERubyX::RubyXCompiler.new(in_Test(str)).ruby_to_mom()
-    end
     def create_method(body = "@ivar = 5")
       in_test_vool("def meth; #{body};end")
       test = Parfait.object_space.get_class_by_name(:Test)
@@ -65,9 +62,9 @@ module Risc
     end
     def constant_setup(input)
       mom = RubyX::RubyXCompiler.new(RubyX.default_test_options).ruby_to_mom(in_Test(input))
-      assert_equal Mom::MomCompiler , mom.class
+      assert_equal Mom::MomCollection , mom.class
       compiler = mom.method_compilers.first
-      assert_equal MethodCompiler , compiler.class
+      assert_equal Mom::MethodCompiler , compiler.class
       compiler
     end
     def test_has_method_constant