I think i had a chemical pregnancy!!!

So basically almost a year ago thinking back I think I had a chemical pregnancy the reason being is because around the time I was supposed to get my period I was late and I had took a test all just for fun with my cousin to show her i wasn’t pregnant and it had a faint line and then the next day my boyfriend bought me too more clear blues and there was no faint line but I was spotting the next day after that