@staticmethod<EOL><INDENT>def _login(client, username, password):<DEDENT>
return client.post(<EOL>"<STR_LIT>".format(API_SECURITY_VERSION),<EOL>data=json.dumps(<EOL>{<EOL>API_SECURITY_USERNAME_KEY: username,<EOL>API_SECURITY_PASSWORD_KEY: password,<EOL>API_SECURITY_PROVIDER_KEY: "<STR_LIT>",<EOL>}<EOL>),<EOL>content_type="<STR_LIT:application/json>",<EOL>)<EOL>
Login help method
:param client: Flask test client
:param username: username
:param password: password
:return: Flask client response class