minor whitespace and renaming

test/register/interpreter/helper.rb

@@ -8,7 +8,7 @@ module Ticker
     machine = Register.machine.boot
     do_clean_compile
     Typed.compile( @input )
-    machine.collect
+    machine.collect_space
     @interpreter = Register::Interpreter.new
     @interpreter.start Register.machine.init
   end

test/register/test_positioning.rb

@@ -17,7 +17,7 @@ class TestPositioning < MiniTest::Test
     assert_equal 32 , list.padded_length
   end
   def test_type
-    type = Parfait::Type.new Parfait.object_space.get_class_by_name(:Object)
+    type = Parfait::Type.for_hash Parfait.object_space.get_class_by_name(:Object) , {}
     type.set_type( type )
     assert_equal 32 , type.padded_length
   end

test/typed/type/test_type_api.rb

@@ -5,8 +5,8 @@ class TypeApi < MiniTest::Test
   def setup
     Register.machine.boot
     @space = Parfait.object_space
-    tc = @space.get_class_by_name( :Type )
-    @type = Parfait::Type.new tc
+    tc = @space.get_class_by_name( :NamedList )
+    @type = tc.instance_type
   end
 
   def test_inspect