Don't catch all exceptions in coverage script
Don't catch all exceptions in coverage script

Replacing it with return value causes coverage processing to crash
with completely undescriptive error.
Errors will be caught by prepareScreenshot anyway, so there is really
no need to do it collectCoverage anyway.

HDevel/gemini,HDevel/gemini,vladislav-sevostyanov/gemini,pazone/gemini,pazone/gemini,racing-post/gemini,varya/gemini,racing-post/gemini,sergesemashko/gemini,gemini-testing/gemini,varya/gemini