code: def test_ffoa_compile():
      search_space = search.SearchSpace(
          n_agents=10,
          n_variables=2,
          lower_bound=[0, 0],
          upper_bound=[10, 10],
      )
  
      new_ffoa = ffoa.FFOA()
      new_ffoa.compile(search_space)
  
      try:
          new_ffoa.x_axis = 1
      except:
          new_ffoa.x_axis = []
  
      assert new_ffoa.x_axis == []
  
      try:
          new_ffoa.y_axis = 1
      except:
          new_ffoa.y_axis = []
  
      assert new_ffoa.y_axis == []
  
imports: import numpy
  from opytimizer.optimizers.swarm import ffoa
  from opytimizer.spaces import search
label_desc: Use image node_id 1 for calling a global function with example usage: test_ffoa_compile() without return types