diff --git a/test/register/test_all.rb b/test/register/test_all.rb
index 3f4f1101..dbc19b9e 100644
--- a/test/register/test_all.rb
+++ b/test/register/test_all.rb
@@ -6,4 +6,4 @@ require_relative "test_compat"
 require_relative "test_instructions"
 require_relative "test_machine"
 require_relative "test_padding"
-require_relative "test_positioning"
+require_relative "test_positioned"
diff --git a/test/register/test_positioning.rb b/test/register/test_positioned.rb
similarity index 86%
rename from test/register/test_positioning.rb
rename to test/register/test_positioned.rb
index a77b1e22..1d2afe7c 100644
--- a/test/register/test_positioning.rb
+++ b/test/register/test_positioned.rb
@@ -1,6 +1,6 @@
 require_relative "../helper"
 
-class TestPositioning < MiniTest::Test
+class TestPositioned < MiniTest::Test
   def setup
     Register.machine.boot unless Register.machine.booted
   end
@@ -22,10 +22,10 @@ class TestPositioning < MiniTest::Test
     assert_equal 32 , word.padded_length
   end
   def test_raises_no_init
-    assert_raises { TestPosition.new.position}
+    assert_raises { Positioned.position(self)}
   end
   def test_raises_set_nil
-    assert_raises { TestPosition.new.set_position  nil}
+    assert_raises { Positioned.set_position(self,nil)}
   end
   def test_raises_reset_far
     assert_raises do