Use libvmi builder pattern in tests/instancetype_test.go Use less resources in the test to be more resources efficiency
Use libvmi builder pattern in tests/instancetype_test.go
Use less resources in the test to be more resources efficiency

Signed-off-by: bmordeha <32d0948a35bfa6a6efe4b574f7b7b3724f42b546@redhat.com>

kubevirt/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt