Add onos-1.15 testing jobs

Change-Id: I12b6d53de464e0bb348881dbf83429ee149d4693
diff --git a/jjb/OnosSystemTest/onos-test-freestyle.yaml b/jjb/OnosSystemTest/onos-test-freestyle.yaml
index 807d4a4..4b515ec 100644
--- a/jjb/OnosSystemTest/onos-test-freestyle.yaml
+++ b/jjb/OnosSystemTest/onos-test-freestyle.yaml
@@ -13,6 +13,7 @@
       - '1.12'
       - '1.13'
       - '1.14'
+      - '1.15'
       - 'master'
       - 'manually'
 
@@ -563,7 +564,7 @@
     <<: *test-free-init-procedure-plate
 
     sr-version-before-previous: '1.14'
-    sr-version-previous: '1.13'
+    sr-version-previous: '1.15'
     sr-version-current: 'master'
 
     jobs:
diff --git a/jjb/OnosSystemTest/onos-test-pipeline.yaml b/jjb/OnosSystemTest/onos-test-pipeline.yaml
index bba8d11..6732619 100644
--- a/jjb/OnosSystemTest/onos-test-pipeline.yaml
+++ b/jjb/OnosSystemTest/onos-test-pipeline.yaml
@@ -38,6 +38,7 @@
       - '1.12'
       - '1.13'
       - '1.14'
+      - '1.15'
       - 'master'
       - 'manually'
 
@@ -143,6 +144,7 @@
          name: ONOSVersion
          choices:
            - 'master'
+           - '1.15'
            - '1.14'
            - '1.13'
            - '1.12'
@@ -236,6 +238,7 @@
          name: ONOSbranch
          choices:
            - 'master'
+           - 'onos-1.15'
            - 'onos-1.14'
            - 'onos-1.13'
            - 'onos-1.12'
@@ -282,6 +285,7 @@
          name: ONOSbranch
          choices:
            - 'master'
+           - 'onos-1.15'
            - 'onos-1.14'
            - 'onos-1.13'
            - 'onos-1.12'
@@ -343,6 +347,7 @@
          name: ONOSbranch
          choices:
            - 'master'
+           - 'onos-1.15'
            - 'onos-1.14'
            - 'onos-1.13'
            - 'onos-1.12'