I think the odds are no better than 50/50 she'll testify, but if she doesn't we'll know one thing for sure: THE ENTIRE THING WAS A SCHEME TO STALL/DERAIL THE NOMINATION.
The Dims probably figured the feckless GOP would simply roll over and play dead once her allegation came out. When they didn't do that, Ms. Ford and her team of "advisers" began adding conditions, most of which were ridiculous, hoping that would stall things and the GOP would finally cave under intense public pressure. Right now I think Ms. Ford and her handlers are between a rock and a hard place.
The purpose of the ‘delay tactic’ is to keep Kavanaugh from being on the SC and determining which ‘cases’ will be scheduled for the next year.
That is how you keep from going to jail, you control WHO decides what cases to pursue.