class_docstr: Test navigation of an entire image.
class_docstr_tok: ["Test","navigation","of","an","entire","image","."]
docstr: Test getting lon/lat coordinates.
docstr_tok: ["Test","getting","lon\/lat","coordinates","."]
code: def test_get_lons_lats(self, navigation_params, expected):
      """Test getting lon/lat coordinates."""
      lons, lats = nav.get_lons_lats(
          lines=np.array([1000, 1500, 2000]),
          pixels=np.array([1000, 1500, 2000]),
          nav_params=navigation_params,
      )
      np.testing.assert_allclose(lons, expected["lon"])
      np.testing.assert_allclose(lats, expected["lat"])
  
imports: import numpy
  import pytest
  from satpy.tests.reader_tests.utils import get_jit_methods, skip_numba_unstable_if_missing
label_desc: Use image node_id 2 for calling the TestImageNavigation obj's underlying member method code with example usage: obj.test_get_lons_lats(navigation_params, expected) without return types