last test in author tests does not fail as expected

[tvmaly]

I setup my FIREBASE and FIREBASE_TOKEN in my environment and ran the author tests. It was failing on the last 'is' I stepped through it in the debugger and firebase allowing me to create the last put

DB<1> n
main::(02-firebase.t:50): eval { $firebase2->put('somewhere', { foo => 'bar' }); };
DB<1> n
main::(02-firebase.t:52): is $@->message, '403 Forbidden', 'Cannot just write willy nilly.';
DB<1> x ref($@)
0 ''
DB<2> x $@
0 ''