e2e: use verbose connect to sauce

Log verbose output from sauce-connect-laumcher to find out if it is
missing an error message from SauceLabs (e.g. inability to connect).

Author: laurelnaiad

browser/dev-tasks/e2e/seleniumSauce.js

@@ -19,7 +19,8 @@ var sauceStart = function (args, cb) {
 
   sauceConnectLauncher({
     username: ctx.options.sauceCredentials.user,
-    accessKey: ctx.options.sauceCredentials.accessKey
+    accessKey: ctx.options.sauceCredentials.accessKey,
+    verbose: true
   }, function (err, sauceConnectProcess) {
     if (err) { return cb(new Error(err)); }
     sauceProcess = sauceConnectProcess;