class_docstr: Test Future interface to make sure all backend behave the same
docstr: Ready - OK
docstr_tok: ["Ready","-","OK"]
code: def ready_ok(self, executor):
      """Ready - OK"""
      future = executor.submit(function, None, 1, 1)
      assert future.ready() is False
      future.wait()
      assert future.ready() is True
  
imports: import time
  import pytest
  from orion.executor.dask_backend import HAS_DASK, Dask
  from orion.executor.multiprocess_backend import PoolExecutor
  from orion.executor.single_backend import SingleExecutor
label_desc: Use image node_id 8 for calling the TestFutures obj's underlying member method code with example usage: obj.ready_ok(executor) without return types