Make tests pass

src/apps.js

@@ -129,6 +129,8 @@ function validateHostname(location, fqdn) {
 
 // validate the port bindings
 function validatePortBindings(portBindings, tcpPorts) {
+    assert.strictEqual(typeof portBindings, 'object');
+
     // keep the public ports in sync with firewall rules in scripts/initializeBaseUbuntuImage.sh
     // these ports are reserved even if we listen only on 127.0.0.1 because we setup HostIp to be 127.0.0.1
     // for custom tcp ports