Resolve various integration test failures (#591) #176

Job	Run time
integration-tests	8m 26s
process-upload-report	8s
apply-calico-rules	1s
add-fw-to-remaining-instances	1s
notify-slack	1s
integration-tests	1h 5m 50s
add-fw-to-remaining-instances	18s
process-upload-report	14s
apply-calico-rules	8m 46s
notify-slack	3s
integration-tests	59m 52s
add-fw-to-remaining-instances	17s
process-upload-report	18s
apply-calico-rules	9s
notify-slack	4s
	2h 24m 28s

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