pass return integer back out through exit

for testing of binaries later (and off course general correctness)
Some tests were using the fact that the interpreter was used, changed those to return ints rather than strings

test/risc/methods/test_call_cond.rb

@@ -20,13 +20,11 @@ HERE
     end
     def test_call_sm
       run_space if_cond(8)
-      assert_equal Parfait::Integer , get_return.class
-      assert_equal 10 , get_return.value
+      assert_equal 10 , get_return
     end
     def test_call_lg
       run_space if_cond(18)
-      assert_equal Parfait::Integer , get_return.class
-      assert_equal 20 , get_return.value
+      assert_equal 20 , get_return
     end
   end
 end

test/risc/methods/test_call_fibo.rb

@@ -18,8 +18,7 @@ module Methods
         return down(8)
       end
 HERE
-      assert_equal Parfait::Integer , get_return.class
-      assert_equal 1 , get_return.value
+      assert_equal 1 , get_return
     end
 
     def est_fibo
@@ -38,8 +37,7 @@ HERE
         return fibo_r(8)
       end
 HERE
-      assert_equal Parfait::Integer , get_return.class
-      assert_equal 8 , get_return.value
+      assert_equal 8 , get_return
     end
   end
 end

test/risc/methods/test_call_simple.rb

@@ -12,8 +12,7 @@ module Methods
         return same(8)
       end
 HERE
-      assert_equal Parfait::Integer , get_return.class
-      assert_equal 8 , get_return.value
+      assert_equal 8 , get_return
     end
 
     def test_call_with_call
@@ -26,8 +25,7 @@ HERE
         return a
       end
 HERE
-      assert_equal Parfait::Integer , get_return.class
-      assert_equal 7 , get_return.value
+      assert_equal 7 , get_return
     end
   end
 end