def launch_new_instance():
    app = IPClusterApp.instance()
    app.initialize()
    app.start()
Tests that a SaltCloudSystemExit is raised when no name is provided.
dataset/ETHPy150Open ipython/ipython-py3k/IPython/parallel/apps/ipclusterapp.py/launch_new_instance--crossover with--dataset/ETHPy150Open saltstack/salt/tests/unit/cloud/clouds/opennebula_test.py/OpenNebulaTestCase.test_get_host_id_no_name