nodejs-grunt-saucelabs is missing needed dependency npm(requestretry).
See https://lists.fedoraproject.org/pipermail/devel/2015-September/215004.html
see bug#1258062 for requestretry
nodejs-grunt-saucelabs-8.6.1-4.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2015-653244fde5
nodejs-grunt-saucelabs-8.6.1-4.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with $ su -c 'dnf --enablerepo=updates-testing update nodejs-grunt-saucelabs' You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2015-653244fde5
nodejs-grunt-saucelabs-8.6.1-4.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.