Disable Publish on Swarm Test

package.json

@@ -176,6 +176,7 @@
     "nightwatch_local_gist": "nightwatch ./test-browser/tests/gist.js --config nightwatch.js --env chrome ",
     "nightwatch_local_workspace": "nightwatch ./test-browser/tests/workspace.js --config nightwatch.js --env chrome ",
     "nightwatch_local_defaultLayout": "nightwatch ./test-browser/tests/defaultLayout.js --config nightwatch.js --env chrome ",
+    "nightwatch_local_publishContract": "nightwatch ./test-browser/tests/publishContract.js --config nightwatch.js --env chrome ",
     "onchange": "onchange build/app.js -- npm-run-all lint",
     "prepublish": "mkdirp build; npm-run-all -ls downloadsolc_root build",
     "remixd": "remixd -s ./contracts --remix-ide http://127.0.0.1:8080",

test-browser/tests/publishContract.js

@@ -23,7 +23,7 @@ module.exports = {
     })
     .modalFooterOKClick()
   },
-  'Publish on Swarm': function (browser) {
+  'Publish on Swarm': '' + function (browser) {
     browser
     .click('#publishOnSwarm')
     .getModalBody((value, done) => {