fixing test to pass

and extract own kind of same tests to bench
bench tests will need some loop, but not as large as c

test/bench/rubyx/hello.rb

@@ -0,0 +1,10 @@
+class Space
+  def main(arg)
+    b = 2*1000
+    while( b >= 1 )
+      b = b - 1
+      "Hello-there\n".putstring
+    end
+    return b
+  end
+end

test/bench/rubyx/noop.rb

@@ -0,0 +1,5 @@
+class Space
+  def main(arg)
+    return 0
+  end
+end