Drug test

I’m up to get drug tested any day now, but my counselor is almost positive that they’re gonna drag it out until a few days after may, I hadn’t used in months but yesterday was 420 so I did a little bit , I know, I shouldn’t have, and I didn’t use like I used to but I did do a few milliliters, (monkey water 🫠), but now that I did it, it didn’t make me feel how I thought it was going to and now I’m nervous bc of my upcoming test and I didn’t even feel like I used to. Good and bad but now I’m worried about the ua, anything that can help me flush out my system in case I do end up having a few days? I had been clean for almost three months before yesterday. Thanks for any help,