[x] Remove hard coding of the specific PXE boot capable VLAN
[x] ~Find a way to validate that a VM is properly PXE booted. Currently the existing test fails since the PXE boot menu defaults to a local boot. Verified manually that this test's VM does PXE boot though (see screenshot below).~ This will be revisited in #156
This addresses #154.
Todo
make testacc
passesmake testclient
passes