E2E: intermittent failure is seen on tests for devfile

This is a clone of issue OCPBUGS-1410. The following is the description of the original issue:
—
Clone of https://bugzilla.redhat.com/show_bug.cgi?id=2106803 to backport the e2e fix to 4.11 and 4.10.

Description of problem: E2E: intermittent failure is seen on tests for devfile due to network call to devfile registry

Deploy git workload with devfile from topology page: A-04-TC01

https://gcsweb-ci.apps.ci.l2s4.p1.openshiftapps.com/gcs/origin-ci-test/pr-logs/pull/openshift_console/11726/pull-ci-openshift-console-master-e2e-gcp-console/1547046629775773696/artifacts/e2e-gcp-console/test/artifacts/gui_test_screenshots/cypress/screenshots/e2e/add-flow-ci.feature/Deploy%20git%20workload%20with%20devfile%20from%20topology%20page%20A-04-TC01%20--%20after%20each%20hook%20(failed).png

https://prow.ci.openshift.org/view/gs/origin-ci-test/pr-logs/pull/openshift_console/11768/pull-ci-openshift-console-master-e2e-gcp-console/1547061730478133248

Version-Release number of selected component (if applicable):

How reproducible: Intermittent

Steps to Reproduce:
1. Run test for add-flow-ci.feature to test Deploy git workload with devfile from topology page: A-04-TC01

Actual results:

Expected results: Show always pass

Additional info: