def clearChassisList(connection, sessionUrl):
    '''
        This method is used to clear the chassis list. After execution no chassis should be available in the chassisList.
        Args:
        - connection is the connection object that manages the HTTP data transfers between the client and the REST API
        - sessionUrl is the address of the session that should run the test
    '''
    chassisListUrl = "%s/ixload/chassischain/chassisList" % sessionUrl
    deleteParams = {}
    performGenericDelete(connection, chassisListUrl, deleteParams)