code: def create_namespace(self):
          
          name = 'namespace-{random_string}'.format(random_string=random_str(5))
  
          namespace = client.V1Namespace(metadata=client.V1ObjectMeta(name=name))
  
          self.core_api.create_namespace(namespace)
  
          logger.info("Creating namespace: %s", name)
  
          # save all namespaces created with this backend
          self.managed_namespaces.append(name)
  
          # wait for namespace to be ready
          Probe(timeout=30, pause=5, expected_retval=True,
                fnc=self._namespace_ready, namespace=name).run()
  
          return name
docs: Create namespace with random name
          :return: name of new created namespace