code: def test_ecef_ned():
      enu = pm.aer2enu(*aer0)
      ned = (enu[1], enu[0], -enu[2])
      xyz = pm.aer2ecef(*aer0, *lla0)
  
      n, e, d = pm.ecef2ned(*xyz, *lla0)
      assert n == approx(ned[0])
      assert e == approx(ned[1])
      assert d == approx(ned[2])
  
      assert pm.ned2ecef(*ned, *lla0) == approx(xyz)
  
imports: import pymap3d
  from pytest import approx
label_desc: Use image node_id 1 for calling a global function with example usage: test_ecef_ned() without return types