How Long Does Subutex Take To Get Removed From Body?

i took a half of subutex wednesday evening and the other half thursday evening, i have a urine test next thursday, will the subutex be out of my system if i drink alot of water and take fluid pills for 2 days? like sunday night thru tueasday, i can usually pass the test from taking oxycodone in 4 to 5 days. i have a scipt for hydrocodone and xanax.