disable audio in virtualbox by default #392
Merged
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Fixes #388
As mentioned in that issue, modifying the VM to have audio set to "none" will disable sound for the VM and prevent VirtualBox from connecting to the host's audio which really cramps a user's style when they're listening to something over bluetooth headphones.
This change opts to be simple-but-repetitive in the tests to include the new default in each example VM config.
Also resolves a deprecation notice about the use of
Fixnum
.