move more tests from interpreter to mains

while now
all interpreter tests with only return tests move now

test/mains/test_while.rb

@@ -4,10 +4,22 @@ module Mains
   class WhileTester < MiniTest::Test
     include MainsHelper
 
-    def test_while
+    def test_while_cmp
       @preload = "Integer.gt;Integer.plus"
       @input = as_main 'a = -1; while( 0 > a); a = 1 + a;end;return a'
       assert_result  0 , ""
     end
+
+    def test_while_count
+      @preload = "Integer.gt;Integer.plus"
+      @input = as_main 'a = -1; while( 0 > a); a = 1 + a;end;return a'
+      assert_result 0 , ""
+    end
+
+    def test_while_simple
+      @input = as_main 'a = true; while( a ); a = false;end;return a'
+#      assert_result 4 , ""
+    end
+
   end
 end