Disable insight test that uses node --polyglot.

Author: woess

vm/tests/all/agentscript/agent-ruby.test

@@ -37,4 +37,4 @@ minusOne 3
 minusOne 2
 minusOne 2
 Three is the result 3
->[0?] node --js.print --polyglot --insight=agent-ruby.rb --experimental-options agent-fib.js
+# >[0?] node --js.print --polyglot --insight=agent-ruby.rb --experimental-options agent-fib.js