code: def test_set_and_get_config():
      key = "primitive_data_folder"
      old_value = config.get(key)
      value = "This is an example string"
  
      config.set({key: value})
      assert config.get(key) == value
  
      config.set({key: old_value})
  
imports: from featuretools import config
label_desc: Use image node_id 2 for calling a global function with example usage: test_set_and_get_config() without return types