code: def test_agent_mapped_position():
      new_agent = agent.Agent(1, 1, 0, 1)
  
      assert new_agent.mapped_position["x0"].shape == (1,)
  
imports: import sys
  import numpy
  from opytimizer.core import agent
label_desc: Use image node_id 17 for calling a global function with example usage: test_agent_mapped_position() without return types