fix path to buck

Change-Id: I8294450e158fd553a8552baaf450c245ac91fcf9
diff --git a/jjb/onos/onos-verify.yaml b/jjb/onos/onos-verify.yaml
index 8a040c3..ac5d932 100644
--- a/jjb/onos/onos-verify.yaml
+++ b/jjb/onos/onos-verify.yaml
@@ -91,7 +91,9 @@
 
     builders:
     #put shell scripts in file then make sure shell check is installed on verify vms
-      - shell: | 
+      - shell: |
+            source tools/build/envDefaults
+            echo $PATH
             onos-buck build onos
             onos-buck test
             onos-buck build //docs:external //docs:internal --show-output