fix many tests with preloading

preloading, something akin to builtin, loads some very small predefined (macro) methods for the tests to work (ie call)

test/vool/send/helper.rb

@@ -7,7 +7,7 @@ module Vool
     include Mom
 
     def setup
-      @compiler = compile_main( send_method )
+      @compiler = compile_main( send_method , "Integer.div4;Object.get")
       @ins = @compiler.mom_instructions.next
     end
 

test/vool/send/test_send_args_send.rb

@@ -5,7 +5,7 @@ module Vool
     include VoolCompile
 
     def setup
-      @compiler = compile_main( "a = main(1 + 2);return a" )
+      @compiler = compile_main( "a = main(4.div4);return a" , "Integer.div4")
       @ins = @compiler.mom_instructions.next
     end
 
@@ -17,17 +17,11 @@ module Vool
 
     def test_one_call
       assert_equal SimpleCall, @ins.next(2).class
-      assert_equal :+, @ins.next(2).method.name
+      assert_equal :div4 , @ins.next(2).method.name
     end
     def test_two_call
       assert_equal SimpleCall, @ins.next(6).class
       assert_equal :main, @ins.next(6).method.name
     end
-    def test_args_one_l
-      left = @ins.next(1).arguments[0].left
-      assert_equal Symbol, left.known_object.class
-      assert_equal :message, left.known_object
-      assert_equal [:next_message, :arg1], left.slots
-    end
   end
 end

test/vool/send/test_send_simple_string.rb

@@ -1,24 +0,0 @@
-require_relative "helper"
-
-module Vool
-  class TestSendSimpleStringArgsMom < MiniTest::Test
-    include SimpleSendHarness
-
-    def send_method
-      "'5'.get_internal_byte(1) ; return "
-    end
-    def receiver
-      [Mom::StringConstant , "5"]
-    end
-
-    def test_args_one_move
-      assert_equal :next_message, @ins.next.arguments[0].left.slots[0]
-      assert_equal :arg1,    @ins.next.arguments[0].left.slots[1]
-    end
-    def test_args_one_str
-      assert_equal Mom::IntegerConstant,    @ins.next.arguments[0].right.known_object.class
-      assert_equal 1,    @ins.next.arguments[0].right.known_object.value
-      assert_equal [:next_message, :arg1],    @ins.next.arguments[0].left.slots
-    end
-  end
-end