Fix python testing for whole supported imagestreams #169

Job	Run time
Integration tests for Helm charts httpd tested on RHEL-8 OpenShift 4	1h 6m 20s
Integration tests for Helm charts mariadb tested on RHEL-8 OpenShift 4	1h 6m 21s
Integration tests for Helm charts mysql tested on RHEL-8 OpenShift 4	1h 2m 18s
Integration tests for Helm charts nginx tested on RHEL-8 OpenShift 4	1h 4m 53s
Integration tests for Helm charts postgresql tested on RHEL-8 OpenShift 4	1h 8m 48s
Integration tests for Helm charts redis tested on RHEL-8 OpenShift 4	1h 5m 24s
Integration tests for Helm charts php tested on RHEL-8 OpenShift 4	1h 10m 52s
Integration tests for Helm charts perl tested on RHEL-8 OpenShift 4	1h 14m 24s
Integration tests for Helm charts nodejs tested on RHEL-8 OpenShift 4	1h 9m 9s
Integration tests for Helm charts ruby tested on RHEL-8 OpenShift 4	1h 47m 12s
Integration tests for Helm charts python tested on RHEL-8 OpenShift 4	1h 40m 7s
Integration tests for Helm charts valkey tested on RHEL-8 OpenShift 4	1h 4m 16s
	14h 40m 4s

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