Add number of registers to platform

test/arm/test_arm_platform.rb

@@ -14,5 +14,8 @@ module Arm
     def test_platform_loaded_class
       assert_equal ::Integer , @arm.loaded_at.class
     end
+    def test_registers
+      assert_equal 16  , @arm.num_registers
+    end
   end
 end

test/risc/test_interpreter.rb

@@ -20,7 +20,7 @@ module Risc
       assert_equal :stopped , Interpreter.new(@linker).state
     end
     def test_has_regs
-      assert_equal 12 , Interpreter.new(@linker).registers.length
+      assert_equal 16 , Interpreter.new(@linker).registers.length
     end
     def test_has_r0
       assert_equal :r0 , Interpreter.new(@linker).registers.keys.first

test/risc/test_interpreter_platform.rb

@@ -17,6 +17,9 @@ module Risc
     def test_translator
       assert IdentityTranslator.new
     end
+    def test_registers
+      assert_equal 16  , @inter.num_registers
+    end
   end
   class TestIdentityTranslator < MiniTest::Test
 

test/sol/send/test_not_found.rb

@@ -1,7 +1,7 @@
 require_relative "../helper"
 
 module Sol
-  class TestSendCachedSimpleSlotMachine < MiniTest::Test
+  class TestNotFoundSlotMachine < MiniTest::Test
     include SolCompile
 
     def setup