Add Rolling configurations in coredns/cnf-testsuite.yml

example-cnfs/coredns fails passing CNF Rollback because
rollback_from_tag is undefined.

Here are the error messages

␛[31mPlease add the container name coredns and a corresponding rollback_from_tag into your cnf-testsuite.yml under container names␛[0m
␛[31m✖️  FAILED: CNF Rollback Failed ␛[0m
␛[32m✔️  PASSED: CNF Rollback Passed ␛[0m

Signed-off-by: Cédric Ollivier <[email protected]>

Author: collivier

example-cnfs/coredns/cnf-testsuite.yml

@@ -8,3 +8,9 @@ helm_repository: # CONFIGURATION OF HELM REPO - ONLY NEEDED WHEN USING helm_char
 #manifest_directory: coredns # PATH_TO_DIRECTORY_OF_CNFS_MANIFEST_FILES ; or
 release_name: coredns # DESIRED_HELM_RELEASE_NAME
 helm_install_namespace: cnfspace
+container_names:
+  - name: coredns
+    rolling_update_test_tag: "1.8.0"
+    rolling_downgrade_test_tag: 1.6.7
+    rolling_version_change_test_tag: 1.8.0
+    rollback_from_tag: 1.8.0