Add tests for error handling for StartVMRequestHandler and StopVMRequestHandler
Add tests for error handling for StartVMRequestHandler and StopVMRequestHandler

kubevirt/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt