def tearDownModule():
    base.stopServer()
Queries Google Compute Engine to see if the specified firewall exists.
dataset/ETHPy150Open Kitware/minerva/plugin_tests/wms_test.py/tearDownModule--crossover with--dataset/ETHPy150Open AppScale/appscale-tools/lib/agents/gce_agent.py/GCEAgent.does_firewall_exist