'Constructor.
Args:
scenario: [SpinnakerTestScenario] The scenario being supported.'

def __init__(self, scenario):

    super(AzureScenarioSupport, self).__init__('azure', scenario)
    self.__az_observer = None
    bindings = scenario.bindings
    if (not bindings['SPINNAKER_AZURE_ACCOUNT']):
        bindings['SPINNAKER_AZURE_ACCOUNT'] = scenario.agent.deployed_config.get('providers.azure.primaryCredentials.name', None)
