Update assert (#2799)

* Update version to dummy 1.0.0.0'

* Revert version change

* Update test_download_fail assertion

tests/ga/test_update.py

@@ -556,7 +556,8 @@ def http_get_handler(uri, *_, **__):
                 return MockHttpResponse(status=httpclient.SERVICE_UNAVAILABLE)
             return None
 
-        pkg = ExtHandlerPackage(version=str(self._get_agent_version()))
+        agent_version = self._get_agent_version()
+        pkg = ExtHandlerPackage(version=str(agent_version))
         pkg.uris.append(agent_uri)
 
         with mock_wire_protocol(mockwiredata.DATA_FILE) as protocol:
@@ -568,7 +569,7 @@ def http_get_handler(uri, *_, **__):
 
         messages = [kwargs['message'] for _, kwargs in add_event.call_args_list if kwargs['op'] == 'Install' and kwargs['is_success'] == False]
         self.assertEqual(1, len(messages), "Expected exactly 1 install error/ Got: {0}".format(add_event.call_args_list))
-        self.assertIn('[UpdateError] Unable to download Agent WALinuxAgent-9.9.9.9', messages[0], "The install error does not include the expected message")
+        self.assertIn(str.format('[UpdateError] Unable to download Agent WALinuxAgent-{0}', agent_version), messages[0], "The install error does not include the expected message")
 
         self.assertFalse(agent.is_blacklisted, "Download failures should not blacklist the Agent")