message: Increase test coverage for CentralStorageStrategy with 1 cpu and 1 gpu case
diff: @@ -265,7 +265,8 @@ def distributions_and_v1_and_v2_optimizers():
  strategies_minus_tpu = [
  default_strategy, one_device_strategy, one_device_strategy_gpu,
  - mirrored_strategy_with_gpu_and_cpu, mirrored_strategy_with_two_gpus
  + mirrored_strategy_with_gpu_and_cpu, mirrored_strategy_with_two_gpus,
  + central_storage_strategy_with_gpu_and_cpu
  ]
  strategies_minus_default_and_tpu = [
  