put arm tests in arm module

test/arm/test_call.rb

@@ -1,26 +1,28 @@
 require_relative 'helper'
 
-class TestControl < MiniTest::Test
-  include ArmHelper
+module Arm
+  class TestControl < MiniTest::Test
+    include ArmHelper
 
-  def test_b
-    # the address is what an assembler calculates (a signed number for the amount of instructions),
-    # ie the relative (to pc) address -8 (pipeline) /4 so save space
-    # so the cpu adds the value*4 and starts loading that (load, decode, execute)
-    code = @machine.b(	-4 ) #this jumps to the next instruction
-    assert_code code , :b , [0xff,0xff,0xff,0xea] #ea ff ff fe
-  end
-  def test_call #see comment above. bx not implemented (as it means into thumb, and no thumb here)
-    code = @machine.call(	-4 ,{} )#this jumps to the next instruction
-    assert_code code , :call, [0xff,0xff,0xff,0xeb] #ea ff ff fe
-  end
-  def test_swi
-    code = @machine.swi( 0x05 )
-    assert_code code , :swi , [0x05,0x00,0x00,0xef]#ef 00 00 05
-  end
-  def test_swi_neg
-    assert_raises(RuntimeError) do
-      assert_code @machine.swi("0x05") , :swi , [0x05,0x00,0x00,0xef]
+    def test_b
+      # the address is what an assembler calculates (a signed number for the amount of instructions),
+      # ie the relative (to pc) address -8 (pipeline) /4 so save space
+      # so the cpu adds the value*4 and starts loading that (load, decode, execute)
+      code = @machine.b(	-4 ) #this jumps to the next instruction
+      assert_code code , :b , [0xff,0xff,0xff,0xea] #ea ff ff fe
+    end
+    def test_call #see comment above. bx not implemented (as it means into thumb, and no thumb here)
+      code = @machine.call(	-4 ,{} )#this jumps to the next instruction
+      assert_code code , :call, [0xff,0xff,0xff,0xeb] #ea ff ff fe
+    end
+    def test_swi
+      code = @machine.swi( 0x05 )
+      assert_code code , :swi , [0x05,0x00,0x00,0xef]#ef 00 00 05
+    end
+    def test_swi_neg
+      assert_raises(RuntimeError) do
+        assert_code @machine.swi("0x05") , :swi , [0x05,0x00,0x00,0xef]
+      end
     end
   end
 end