SEBA-971 fix problems in groovy scripts;
increase unit-test provision to 2c-4g

Change-Id: I2c979e48007f455aa9ce27bb34ad858a51f792b6
diff --git a/jjb/verify/device-management.yaml b/jjb/verify/device-management.yaml
index 10cfec2..3921ad9 100644
--- a/jjb/verify/device-management.yaml
+++ b/jjb/verify/device-management.yaml
@@ -19,6 +19,7 @@
           dependency-jobs: 'verify_device-management_licensed'
       - 'make-unit-test':
           junit-allow-empty-results: true
+          build-node: 'ubuntu16.04-basebuild-2c-4g'
       - 'device-management-patch-test':
           pipeline-script: 'device-management-mock-tests.groovy'