Consider adopting a concatenation of Manufacturer Model Firmware and Timestamp as the report .zip filename

**What is the problem your feature is trying to solve?**
Currently when the .zip file is downloaded it is named "report.zip". As a result you naturally end up with a lot of the below for different tests.

**Describe the solution you think would solve the problem**
Testrun should adopt a concatenation of the manufacturer, model, firmware and test timestamp as the filename, for easy identification 'at a glance'.