Another fix to watch out for deleting the extra FF data. (#1265)
Another fix to watch out for deleting the extra FF data. (#1265)

We still have cases with errors, so let us add more checks. It seems though that
sometimes we do not get the browser info from FF.

https://github.com/sitespeedio/browsertime/issues/1261#issuecomment-621696696
tobli/browsertime,sitespeedio/browsertime,sitespeedio/browsertime,sitespeedio/browsertime,sitespeedio/browsertime