1 files changed, 2 insertions, 6 deletions
diff --git a/tests/unit/test_util.py b/tests/unit/test_util.py
index 8f45611..13f4bfe 100644
--- a/tests/unit/test_util.py
+++ b/tests/unit/test_util.py
@@ -1,11 +1,10 @@
-import gzip
 from datetime import timedelta
-from pathlib import Path
 
 import pytest
 import gpxpy
 from markupsafe import Markup
 
+from testutils import load_gpx_asset
 from fietsboek import util
 
 
@@ -60,10 +59,7 @@ def test_round_timedelta_to_multiple(delta, multiple, expected):
     ("MyTourbook_1.gpx.gz", timedelta(hours=2)),
 ])
 def test_guess_gpx_timezone(gpx_file, offset):
-    asset_dir = Path(__file__).parent.parent / 'assets'
-    test_file = asset_dir / gpx_file
-    with gzip.open(test_file, 'rb') as fobj:
-        parsed_gpx = gpxpy.parse(fobj)
+    parsed_gpx = gpxpy.parse(load_gpx_asset(gpx_file))
     timezone = util.guess_gpx_timezone(parsed_gpx)
     # Here we hope (and assume) that utcoffset is ignored. This is true for
     # datetime.timezone objects, but may not be for other datetime.tzinfo