fix not same logic

caused by assert logic error, also fixed

test/slot_machine/instructions/test_not_same_check.rb

@@ -20,7 +20,7 @@ module SlotMachine
       assert_operator 3, :-, :"message.caller" , :"message.next_message"
     end
     def test_4_zero
-      assert_not_zero 4, "target"
+      assert_zero 4, "target"
     end
   end
 end

test/slot_machine/instructions/test_same_check.rb

@@ -20,8 +20,8 @@ module SlotMachine
     def test_3_op
       assert_operator 3, :- , "message.caller" , "message.next_message"
     end
-    def test_4_zero
-      assert_zero 4 , "target"
+    def test_4_not_zero
+      assert_not_zero 4 , "target"
     end
   end
 end

test/slot_machine/instructions/test_simple_call.rb

@@ -7,7 +7,7 @@ module SlotMachine
     def instruction
       SimpleCall.new( make_method )
     end
-    def est_len
+    def test_len
       assert_equal 7 , all.length , all_str
     end
     def test_1_load_return_label