fix a race condition in networkpolicy_test.go

[danwinship]

noticed while trying to debug https://bugzilla.redhat.com/show_bug.cgi?id=1937325, but this is just a test case bug, not a core networkpolicy code bug

[alexanderConstantinescu]

Ah, that explains https://prow.ci.openshift.org/view/gs/origin-ci-test/pr-logs/pull/openshift_sdn/311/pull-ci-openshift-sdn-master-unit/1402632396771168256 which I just saw on my PR.

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alexanderConstantinescu, danwinship

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [danwinship]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[danwinship]

/retest

[danwinship]

/override ci/prow/e2e-aws
/override ci/prow/e2e-aws-upgrade
/override ci/prow/e2e-gcp

this only changes the unit tests

[openshift-ci]

@danwinship: Overrode contexts on behalf of danwinship: ci/prow/e2e-aws, ci/prow/e2e-aws-upgrade, ci/prow/e2e-gcp

In response to this:

/override ci/prow/e2e-aws
/override ci/prow/e2e-aws-upgrade
/override ci/prow/e2e-gcp

this only changes the unit tests

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.