class_docstr: Test the forward parallax function with various inputs.
docstr: Test that at SSP, parallax correction does nothing.
docstr_tok: ["Test","that","at","SSP",",","parallax","correction","does","nothing","."]
code: def test_get_parallax_corrected_lonlats_ssp(self):
      """Test that at SSP, parallax correction does nothing."""
      from satpy.modifiers.parallax import (
          get_parallax_corrected_lonlats,
      )
  
      sat_lat = sat_lon = lon = lat = 0.0
      height = 5000.0  # m
      sat_alt = 30_000_000.0  # m
      corr_lon, corr_lat = get_parallax_corrected_lonlats(
          sat_lon, sat_lat, sat_alt, lon, lat, height
      )
      assert corr_lon == corr_lat == 0
  
imports: import datetime
  import logging
  import math
  import os
  import unittest.mock
  import dask.array
  import dask.config
  import numpy
  import pyorbital.tlefile
  import pyresample.kd_tree
  import pytest
  import xarray
  from pyproj import Geod
  from pyresample import create_area_def
  import satpy.resample
  from satpy.tests.utils import xfail_skyfield_unstable_numpy2
  from satpy.writers import get_enhanced_image
label_desc: Use image node_id 1 for calling the TestForwardParallax obj's underlying member method code with example usage: obj.test_get_parallax_corrected_lonlats_ssp() without return types