code: def test_measurements_observation_space():
      # empty measurements space
      measurements_space = VectorObservationSpace(0)
  
      # vector space
      measurements_space = VectorObservationSpace(
          3, measurements_names=["a", "b", "c"]
      )
  
file_path: coach/rl_coach/tests/test_spaces.py
imports: import os
  import sys
  import pytest
  from rl_coach.spaces import DiscreteActionSpace, BoxActionSpace, MultiSelectActionSpace, ObservationSpace, AgentSelection, VectorObservationSpace, AttentionActionSpace
  import numpy
label_desc: Use image node_id 9 for calling a global function with example usage: test_measurements_observation_space() without return types