This PR introduces tests for the basic functionalities of the virt driver, due to the construction of the plugin harness it is not easy to test error propagation, which adds to the low test coverage so far.
In the same PR, there are some changes to setting the configuration for libvirt, because the libvirt driver was hardcoded into the virt plugin code, making it impossible to mock and unitest.
This PR introduces tests for the basic functionalities of the virt driver, due to the construction of the plugin harness it is not easy to test error propagation, which adds to the low test coverage so far.
In the same PR, there are some changes to setting the configuration for libvirt, because the libvirt driver was hardcoded into the virt plugin code, making it impossible to mock and unitest.