Don't understand....took a digital test yesterday that said pregnant....clearly.....went to the…

Don't understand....took a digital test yesterday that said pregnant....clearly.....went to the dollar store today and bought 3 tests to confirm....all of them negative. I don't know if it's the dollar store test and my urine was super clear or the other was a mistake....I'll wait 2 days and actually do it in the morning like u are suppose to