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/mains/source/fibo__8.rb

@@ -1,6 +1,6 @@
 class Space
   def main(arg)
-    n = 10
+    n = 6
     a = 0
     b = 1
     i = 1

test/mains/source/puts_Hello-there_11.rb

@@ -1,5 +1,5 @@
 class Space
   def main(arg)
-    return "Hello-there\n".putstring
+    return "Hello-there".putstring
   end
 end

test/mains/source/recurse-fibo__5.rb

@@ -11,6 +11,6 @@ class Space
   end
 
   def main(arg)
-    return fibo_r(10)
+    return fibo_r(5)
   end
 end