class_docstr: Test class for SQSClient
class_docstr_tok: ["Test","class","for","SQSClient"]
docstr: SQSClient - Init, No URL in Environment
docstr_tok: ["SQSClient","-","Init",",","No","URL","in","Environment"]
code: def test_init_no_queue_url(self):
      """SQSClient - Init, No URL in Environment"""
      assert_raises(SQSClientError, SQSClient)
  
imports: from botocore.exceptions import ClientError
  from mock import Mock, patch
  from nose.tools import assert_equal, assert_raises
  import streamalert.classifier.clients.sqs
  from streamalert.classifier.clients.sqs import SQSClient, SQSClientError
label_desc: Use image node_id 4 for calling the TestSQSClient obj's underlying member method code with example usage: obj.test_init_no_queue_url() without return types