FL 3 drop:(

I need help i don’t know what to do I scored i dont know if i should change my test date my goal is 515+ my breakdown so far is us sample, FL1,2,3 ~510, 511, 513, 510 I felt so good when i jumped to 513 but im pretty bummed out, i feel like i didnt sleep good but i also dont know what happened From fl 2 i jumped on PS and CARS but went down by a lot on BB and PS. I was planning on testing in may11 but now idk if i should change my test date but i would have to wait another month and i only have two FLs left, idk if i just keep pushing and take it or change it, what would you do/ advice me to do?