rubocop: fix node tests offenses
rubocop: fix node tests offenses

Signed-off-by: Federico Simoncelli <d5e4d7da1feaf2c79fa6885a7451e8a6a68321fc@redhat.com>

dkorn/kubeclient,moolitayer/kubeclient,zakiva/kubeclient,simon3z/kubeclient,abonas/kubeclient,zendesk/kubeclient,fabiokr/kubeclient,everalbum/kubeclient