new_contents: import geopandas
  
  import pytest
  
  
  def test_options():
      assert "display_precision: " in repr(geopandas.options)
  
      assert dir(geopandas.options) == ["display_precision"]
  
      with pytest.raises(AttributeError):
          geopandas.options.non_existing_option
  
      with pytest.raises(AttributeError):
          geopandas.options.non_existing_option = 10
  
  
  def test_options_display_precision():
      assert geopandas.options.display_precision is None
      geopandas.options.display_precision = 5
      assert geopandas.options.display_precision == 5
  
      with pytest.raises(ValueError):
          geopandas.options.display_precision = "abc"
  
      with pytest.raises(ValueError):
          geopandas.options.display_precision = -1
  
      geopandas.options.display_precision = None
  
subject: add tests for new options (#1139)