[CORD-2966]v2
Parameterize the helm-api-test Jenkinsfile

Change-Id: I546d927fb759447de9ae92fa12a31c0be2a277ce
diff --git a/jjb/defaults.yaml b/jjb/defaults.yaml
index 5ca5ae9..e7d2896 100644
--- a/jjb/defaults.yaml
+++ b/jjb/defaults.yaml
@@ -40,8 +40,10 @@
 
     # regexp for gerrit triggers
     # list of supported branches, for branch-regexp
-    supported-branches-regexp: '^(master|cord-5.0|cord-4.1|cord-4.0)$'
+    supported-branches-regexp: '^(master|cord-6.0|cord-5.0|cord-4.1|cord-4.0)$'
+    modern-branches-regexp: '^(master|cord-6.0)$'
 
     # for matching files with file-include-regexp
     all-files-regexp: '.*'
     doc-files-regexp: "^docs/.*"
+