deleteAndPopulateTable("people");
Person p = new Person();
p.set("name", "Marilyn");
p.set("last_name", "Monroe");
p.set("graduation_date", "1.2.1975");//wrong format
p.validate();
a(p.errors().size()).shouldBeEqual(1);
p.set("graduation_date", "1975-12-06");//right format
p.validate();