Use 5 minutes timeout for every test run

Change-Id: I3295f7c8347fd8a709ea833fbee7e0befccf129a
diff --git a/test-nodejs-pipeline.groovy b/test-nodejs-pipeline.groovy
index 6f01b77..b1024cc 100644
--- a/test-nodejs-pipeline.groovy
+++ b/test-nodejs-pipeline.groovy
@@ -79,7 +79,9 @@
         executeCmd(containerName, "npm install")
         def cmds = COMMANDS.tokenize('\n')
         for (int i = 0; i < cmds.size(); i++) {
-           executeCmd(containerName, cmds[i])
+           timeout(5) {
+               executeCmd(containerName, cmds[i])
+           }
         }
     } catch (err) {
         currentBuild.result = 'FAILURE'