simplify build to use docker

Signed-off-by: Mike Marchetti <mmarchetti@sandvine.com>
Change-Id: Ic70c5f279f4bda9b9605d1ab107e50dcad5cdd10
diff --git a/Jenkinsfile b/Jenkinsfile
index f40d65b..729fd56 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -10,7 +10,7 @@
         }
         stage("Test") {
             steps {
-                sh 'make -j4 test'
+                sh 'make test'
             }
         }
         stage("Build") {