code: def test_dummy():
      logger = Logger(None, is_dummy=True)
      for step in range(3):
          logger.log_value("A v/1", step, step)
          logger.log_value("A v/2", step * 2, step)
      assert dict(logger.dummy_log) == {
          "A_v/1": [(0, 0), (1, 1), (2, 2)],
          "A_v/2": [(0, 0), (1, 2), (2, 4)],
      }
  
file_path: tensorboard_logger/tests/test_tensorboard_logger.py
imports: import time
  import os
  import glob
  import numpy
  from tensorboard_logger import Logger, configure, log_value
  from tensorboard_logger.tensorboard_logger import make_valid_tf_name
label_desc: Use image node_id 4 for calling a global function with example usage: test_dummy() without return types