To be able to ease diagnosing problems in the functional tests, we
should not remove the log files storing stdout and stderr, otherwise
debugging issue from a failed or crashing daemon turn to be rather
brittle.
Change-Id: Id285049da7ad030ef7b041f7e2dde86e97ef6487
Initially created branches don't have a tag associated with them, so
they don't appear in `other_tags`. We need to keep track of which
branches were created from a single from-tag through their via-branch
values so we know when all branches have been deleted.
closes#1037
Change-Id: I4c6ce602b99a9104de98098cd06ca399eb28e1b2
Certain versions of spandsp return a slightly different volume for the
PCM DTMF events (0x10 instead of 0x0f) which breaks the tests.
fixes#950
Change-Id: I9c92bcc5a91214d3c3e6f9de6cdd2faecba2d9db