Driving test centres and the like bring out the worst in these people.
No phones, no earphones, no earbuds, no watches, no hoodies (with the hood up, naturally) and no hats or headcoverings unless for religious reasons means exactly that.
Bring x ID means bring your ID. It also means that the staff need to check it, saying it's in your pocket/the car/on the kitchen table at home is not sufficient evidence of identity.
Your test time is exactly that. It doesn't mean come in 94 minutes later and shout the odds because you are too late for the test, especially if you've turned up fifteen minutes before the test centre closes.
And no, you have not failed your test because the woman at the desk was 'rude' in asking to see your ID before letting you in to take the test, you've failed because you don't know your Highway Code.
Moreover, don't then go away and arrange for your husband, adult son, boyfriend or Mum to come in and shout at staff and then make an official complaint making up stories about them in an attempt to get a retest the same day for free and the person who dared to question your unassailable sense of self importance fired.