Sora
Professional imaginative
I was recently diagnosed and I absolutely shared how you felt about thinking they might say "You don't have autism'
When I was getting tested, he had a questionnaire that gave me a score of 1-4 based on how you answer the question from "strongly agree' to "strongly disagree" and once your score passes a certain point, the more sure that "test" has you have autism. There's a lot of questions and if you know the social symptoms of autism and think you have at least several of them, you will be scored as "might have autism" which is enough. So if are sure you have those symptoms, I really wouldn't worry about it.
I consider myself "normal" in terms of appearance to neurotypicals and I scored a 167, when 50 was "might be autistic" 75 being " likely to be autistic" and 100 being "very likely to have autism" and I think that alone is enough for a diagnosis, the other "tests" are just used to gauge your need level.
The Psychologist who diagnosed me said he knew I had autism just from speaking to me, and he just needed the tests for official reasons.
Tl;dr It's really easy to be diagnosed if you think you have autism and you shouldn't worry if they already said they think you have it.
I see. Thank you, that was really informative and reassuring. I feel more at ease now. I also remember doing tests like that online before so I kinda get the idea