Cosmetic test changes

There's no reason that there should be existing
ResponseTroubleshootingInfo records in the db at the start of the test.
If there is, that's a problem with the test infrastructure and should
get fixed.
[bug 1112210] Tweak remote-troubleshooting capture

We're getting a bunch of {} in the db which means the capture code isn't
quite right. I wasn't able to manually reproduce it and the tests look
ok. I adjusted the code based on a couple of wild theories to see if
this fixes the issue.
[bug 1112210] Hide browser-ask by default

This hides the browser-ask section by default. We only want to show it
if the api is available and there's data.
Merge pull request #418 from willkg/1112210-rti-issues

1112210 rti issues