Schedule changes for testing onos-1.15

Change-Id: I90e3896f7008c48b160c7f2b4d9d8804a16ce2c6
diff --git a/TestON/JenkinsFile/VM_BMJenkinsfileTrigger b/TestON/JenkinsFile/VM_BMJenkinsfileTrigger
index 5ba4055..f2e8bc9 100644
--- a/TestON/JenkinsFile/VM_BMJenkinsfileTrigger
+++ b/TestON/JenkinsFile/VM_BMJenkinsfileTrigger
@@ -29,8 +29,8 @@
 // set the versions of the onos
 fileRelated.init()
 current_version = "master"
-previous_version = "1.14"
-before_previous_version = "1.13"
+previous_version = "1.15"
+before_previous_version = "1.14"
 
 // init trend graphs to be on VM.
 funcs.initializeTrend( "VM" );