add test

Author: Conengmo

tests/test_features.py

@@ -314,3 +314,24 @@ def _assert_id_got_added(data):
     geojson.convert_to_feature_collection()
     assert geojson.find_identifier() == 'feature.id'
     assert geojson.data['features'][0]['id'] == '0'
+
+
+def test_geometry_collection_get_bounds():
+    """Assert #1599 is fixed"""
+    geojson_data = {
+        "geometries": [
+            {
+                "coordinates": [
+                    [
+                        [-1, 1],
+                        [0, 2],
+                        [-3, 4],
+                        [2, 0],
+                    ]
+                ],
+                "type": "Polygon",
+            },
+        ],
+        "type": "GeometryCollection",
+    }
+    assert folium.GeoJson(geojson_data).get_bounds() == [[0, -3], [4, 2]]