The woman who claimed that Chris Rock is the father of her 13-year-old son is now saying she wants a DNA test. Apparently, she isn’t 100 percent sure Rock is the father. Wouldn’t the test have been a good move before giving a press conference announcing he was? Rock has started proceedings to determine paternity and plans to support he child if he is, indeed, the father. Announcing you have a baby with Chris Rock seems a lot less stressful than testing twenty men on Maury…