Fixed skipping of gis_tests when dependencies not installed.

from unittest import skipUnless

from django.contrib.gis.geos import HAS_GEOS

from django.contrib.gis.maps.google.overlays import GEvent, GOverlayBase

from django.test import TestCase

from django.test.utils import modify_settings, override_settings

from django.utils.encoding import force_text

        self.assertIn("En français", google_map.scripts)

    def test_gevent_html_safe(self):

        from django.contrib.gis.maps.google.overlays import GEvent

        event = GEvent('click', 'function() {location.href = "http://www.google.com"}')

        self.assertTrue(hasattr(GEvent, '__html__'))

        self.assertEqual(force_text(event), event.__html__())

    def test_goverlay_html_safe(self):

        from django.contrib.gis.maps.google.overlays import GOverlayBase

        overlay = GOverlayBase()

        overlay.js_params = '"foo", "bar"'

        self.assertTrue(hasattr(GOverlayBase, '__html__'))