Github actions tests are flaky

[sumo-drosiek]

Very often, one of three cluster tests is failing with the following error:

Found pod pod-with-annotations
error: container tailing-sidecar-0 is not valid for pod pod-with-annotations
make: *** [Makefile:106: test-examples] Error 1

For some reason port is not annotated by tailing sidecar operator (1/1 containers):

2023-03-01T06:05:56.9778224Z pod-with-annotations                                    1/1     Running   0          11s

source: https://github.com/SumoLogic/tailing-sidecar/actions/runs/4300549311/jobs/7496841642

[sumo-drosiek]

My proposal is to wait more time before deploying the test objects (pods, etc)

[swiatekm]

From #537 it looks like the Helm tests without certmanager fail consistently, so we should investigate why that is.