I'm so sorry OP. Better luck next time! The ones who took more than one time are the best drivers!!! I took 7 times. Took 4 in one year 25 years ago (in my 20's) and failed them all. 
I thought 'what is the point?' I was so pissed off.
Then I took a dozen or so driving lessons 10 years later, and took 2 tests, a few weeks apart.
Failed both. I thought 'bollocks, that's it.'
Then I just decided to give it one more go a year later, and passed!!! I was in my mid 30's!!!
I did actually practice in DH's car about 20 times over 5-6 weeks though. Reverse park, reverse around a bend, reversing into a space, going in and out of traffic cones, up and down the gears, and generally practicing things I wasn't great at.
Then as I said, I passed.
You'll do it.
Look at the amount of people here who took multiple attempts to pass!
Practice the things you're not great at - do you have a car you can use? (Hubby's/dad's/friends?)