Callsign Kilo - your words are so true......
It's exactly the same for ground school passes. You forever hear of first time - average passes at 97 - 99% - but then cannot answer half the atpl questions or know the theory....
So long as you have a license and can state what you learned and turn that failure into a positive - ie what you learnt from it - you will be ok - mind you will still need to perform at the selection and more importantly on the job.....