'Constructor.
Args:
bindings: [dict] The data bindings to use to configure the scenario.
agent: [GateAgent] The agent for invoking the test operations on Gate.'

def __init__(self, bindings, agent=None):

    super(OpenStackSmokeTestScenario, self).__init__(bindings, agent)
    bindings = self.bindings
    self.TEST_APP = bindings['TEST_APP']
    self.TEST_STACK = bindings['TEST_STACK']
    self.TEST_SECURITY_GROUP = ('sec_grp_' + bindings['TEST_APP'])
