def METHOD_NAME(self):
    self.kwargs.update({
        'rg': 'clitest',
        'loc': 'eastus',
        'plan': 'testplan',
        'app': 'servicelinker-clitest-app'
    })
    # prepare webapp
    self.cmd('group create -n {rg} -l {loc}')
    self.cmd('appservice plan create -g {rg} -n {plan}')
    webapp = self.cmd('webapp create -g {rg} -p {plan} -n {app}').get_output_in_json()
    source_id = webapp.get('id')
    # servicelinker provision experience
    connection_name = 'testconn_storageblob'
    connection = self.cmd('webapp connection create storage-blob --source-id {} '
                          '--connection {} --new'.format(source_id, connection_name)).get_output_in_json()
    target_id = connection.get('targetService', dict()).get('id')
    connection_id = connection.get('id')
    # validate the created postgres
    account_name = target_id.split('/')[-3]
    self.cmd('storage account show --name {}'.format(account_name))
    self.cmd('webapp connection show --id {}'.format(connection_id))