UITest_writerperfect_epubexport hang (only sometimes)

[Stephan Bergmann]

On 17.02.2018 07:54, Noel Grandin wrote:
> at the very least we should make that wait command use a timeout, and 
> fail the test, rather than hanging indefinitely​

As long as its unclear what the underlying problem is, what benefit does 
it have to add a timeout failure path in the test?  Without the added 
timeout, a local failed test will be ready to be inspected (and moggi 
now gave suggestions what exactly to inspect in another mail in this 
thread).  And failed tests on the tinderboxes will eventually time out 
either way.