[d16-2] [xharness] Don't use a dash in the bundle identifer for watchOS projects. #6118
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It causes problems with the mscorlib test project, which can't be launched properly.
I'm not sure what's the underlying cause, but here are some of the symptoms:
launch.
which for instance means that it won't auto-start the tests upon launch.
the process in a suspended state while lldb attaches. Yet the watch app
shows up on the device as if not asked to be suspended upon launch.
It seems that the dash (I assume, because I haven't investigated this very
deeply, I just happened to find a solution that worked) makes watchOS launch
the app as if tapped, instead of launched from an IDE.
The strangest part is that this only happens with the mscorlib test project,
not any of the other test projects we run on the watch, and they all have
dashes in their bundle identifiers... yet replacing the dash with another
character (underscore, letter, removing it altogether) all made things work as
expected.
Backport of #6114.
/cc @rolfbjarne