tests, reporter, Add missing nil pointer check
tests, reporter, Add missing nil pointer check

In case the virt-handler pod list is nil,
the reporter should not dereference it,
else it will result in panic.

Signed-off-by: Or Shoval <7299abc34af50659adafa6d252dc9c537bb5cf36@redhat.com>

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