Add tests for update of resources modified by operator

[kasia-kujawa]

Testes with following script:

#/bin/bash

make deploy
make deploy-examples
make deploy-example-with-crd
sleep 5
make test-examples
make deploy-examples-update
make test-examples-update

with kubectl wait following error occured:

Error from server (NotFound): pods "pod-with-annotations-crd" not found
Makefile:108: recipe for target 'test-examples' failed
make: *** [test-examples] Error 1

but Pod was created in a second