diff --git a/forest/jasmine/tests/test_traj2stats.py b/forest/jasmine/tests/test_traj2stats.py
index 31925f13..ec9e5898 100644
--- a/forest/jasmine/tests/test_traj2stats.py
+++ b/forest/jasmine/tests/test_traj2stats.py
@@ -6,7 +6,7 @@
 
 from forest.jasmine.data2mobmat import great_circle_dist
 from forest.jasmine.traj2stats import (Frequency, transform_point_to_circle,
-                                       gps_summaries)
+                                       Hyperparameters, gps_summaries)
 
 
 @pytest.fixture()
@@ -273,16 +273,16 @@ def test_gps_summaries_shape(
         return_value=sample_nearby_locations,
     )
     mocker.patch("forest.jasmine.traj2stats.locate_home", return_value=coords1)
+
+    parameters = Hyperparameters()
+    parameters.save_osm_log = True
+
     summary, _ = gps_summaries(
         traj=sample_trajectory,
         tz_str="Europe/London",
         frequency=Frequency.HOURLY,
+        parameters=parameters,
         places_of_interest=["pub", "fast_food"],
-        save_osm_log=True,
-        threshold=None,
-        split_day_night=False,
-        person_point_radius=2,
-        place_point_radius=7.5,
     )
     assert summary.shape == (24, 21)
 
@@ -296,16 +296,16 @@ def test_gps_summaries_places_of_interest(
         return_value=sample_nearby_locations,
     )
     mocker.patch("forest.jasmine.traj2stats.locate_home", return_value=coords1)
+
+    parameters = Hyperparameters()
+    parameters.save_osm_log = True
+
     summary, _ = gps_summaries(
         traj=sample_trajectory,
         tz_str="Europe/London",
         frequency=Frequency.HOURLY,
+        parameters=parameters,
         places_of_interest=["pub", "fast_food"],
-        save_osm_log=True,
-        threshold=None,
-        split_day_night=False,
-        person_point_radius=2,
-        place_point_radius=7.5,
     )
     time_in_places_of_interest = (
         summary["pub"] + summary["fast_food"] + summary["other"]
@@ -324,16 +324,16 @@ def test_gps_summaries_obs_day_night(
         return_value=sample_nearby_locations,
     )
     mocker.patch("forest.jasmine.traj2stats.locate_home", return_value=coords1)
+
+    parameters = Hyperparameters()
+    parameters.save_osm_log = True
+
     summary, _ = gps_summaries(
         traj=sample_trajectory,
         tz_str="Europe/London",
         frequency=Frequency.DAILY,
+        parameters=parameters,
         places_of_interest=["pub", "fast_food"],
-        save_osm_log=True,
-        threshold=None,
-        split_day_night=False,
-        person_point_radius=2,
-        place_point_radius=7.5,
     )
     total_obs = summary["obs_day"] + summary["obs_night"]
     assert np.all(round(total_obs, 4) == round(summary["obs_duration"], 4))
@@ -348,16 +348,17 @@ def test_gps_summaries_datetime_nighttime_shape(
         return_value=sample_nearby_locations,
     )
     mocker.patch("forest.jasmine.traj2stats.locate_home", return_value=coords1)
+
+    parameters = Hyperparameters()
+    parameters.save_osm_log = True
+    parameters.split_day_night = True
+
     summary, _ = gps_summaries(
         traj=sample_trajectory,
         tz_str="Europe/London",
         frequency=Frequency.DAILY,
+        parameters=parameters,
         places_of_interest=["pub", "fast_food"],
-        save_osm_log=True,
-        threshold=None,
-        split_day_night=True,
-        person_point_radius=2,
-        place_point_radius=7.5,
     )
     assert summary.shape == (2, 46)
 
@@ -373,16 +374,16 @@ def test_gps_summaries_log_format(
         return_value=sample_nearby_locations,
     )
     mocker.patch("forest.jasmine.traj2stats.locate_home", return_value=coords1)
+
+    parameters = Hyperparameters()
+    parameters.save_osm_log = True
+
     summary, log = gps_summaries(
         traj=sample_trajectory,
         tz_str="Europe/London",
         frequency=Frequency.DAILY,
+        parameters=parameters,
         places_of_interest=["pub", "fast_food"],
-        save_osm_log=True,
-        threshold=None,
-        split_day_night=False,
-        person_point_radius=2,
-        place_point_radius=7.5,
     )
     dates_stats = (
         summary["day"].astype(int).astype(str)