Whilst the stress of passing and been upto CTC standard is high, CTC do try their hardest to get you to that standard... they aren't about to chop you for failing a test once, more like failing and then failing to do what is required to make sure you are upto the standard.
When it comes to the type rating, the airline pays for that type rating, it isn't financially viable for them to pay for a cadets type rating and then chop you at the end because they don't want you. The recent easyjet happenings weren't what easyjet wanted to do but had to because they just couldn't afford to keep them on, these cadets found jobs with other airlines with and without the help of CTC at Ezy swiss, aer lingus, gulf air etc.
When it comes to choosing an FTO make sure you visit before you make up your mind, CTC do have visiter days where they show you around the place and go through everything that they do as do Oxford and other FTOs. It is a lot of money to part with so be sure.