diff --git a/tests/conftest.py b/tests/conftest.py
index b4eb30d2..0d7cb9c9 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -109,5 +109,7 @@ def config(request, tmpdir):
         'db_path': ':memory:',
         'autocomplete_activities_range': 30,
         'autocomplete_split_activity': False,
+        'tracking_show_recent_activities': True,
+        'tracking_recent_activities_items': 6,
     }
     return config
diff --git a/tests/preferences/conftest.py b/tests/preferences/conftest.py
index 533ce09a..94df22cc 100644
--- a/tests/preferences/conftest.py
+++ b/tests/preferences/conftest.py
@@ -80,11 +80,24 @@ def autocomplete_split_activity_parametrized(request):
     return request.param
 
 
+@pytest.fixture(params=(True, False))
+def tracking_show_recent_activities_parametrized(request):
+    """Return a parametrized tracking_show_recent_activities_parametrized value."""
+    return request.param
+
+
+@pytest.fixture(params=(0, 1, 5, 15))
+def tracking_recent_activities_items_parametrized(request):
+    """Return a parametrized tracking_recent_activities_items_parametrized value."""
+    return request.param
+
+
 @pytest.fixture
 def config_parametrized(request, store_parametrized, day_start_parametrized,
         fact_min_delta_parametrized, tmpfile_path_parametrized, db_engine_parametrized,
         db_path_parametrized, autocomplete_activities_range_parametrized,
-        autocomplete_split_activity_parametrized):
+        autocomplete_split_activity_parametrized, tracking_show_recent_activities_parametrized,
+        tracking_recent_activities_items_parametrized):
             """Return a config fixture with heavily parametrized config values."""
             return {
                 'store': store_parametrized,
@@ -95,6 +108,8 @@ def config_parametrized(request, store_parametrized, day_start_parametrized,
                 'db_path': db_path_parametrized,
                 'autocomplete_activities_range': autocomplete_activities_range_parametrized,
                 'autocomplete_split_activity': autocomplete_split_activity_parametrized,
+                'tracking_show_recent_activities': tracking_show_recent_activities_parametrized,
+                'tracking_recent_activities_items': tracking_recent_activities_items_parametrized,
             }
 
 
diff --git a/tests/preferences/test_preferences_dialog.py b/tests/preferences/test_preferences_dialog.py
index 7582c380..b920d356 100644
--- a/tests/preferences/test_preferences_dialog.py
+++ b/tests/preferences/test_preferences_dialog.py
@@ -19,8 +19,9 @@ def test_init(self, dummy_window, app, config, empty_initial):
         grids = result.get_content_area().get_children()[0].get_children()
         # This assumes 2 children per config entry (label and widget).
         grid_entry_counts = [len(g.get_children()) / 2 for g in grids]
-        assert sum(grid_entry_counts) == 8
+        assert sum(grid_entry_counts) == 10
 
+    @pytest.mark.slowtest
     def test_get_config(self, preferences_dialog, config_parametrized):
         """
         Make sure retrieval of field values works as expected.
@@ -32,6 +33,7 @@ def test_get_config(self, preferences_dialog, config_parametrized):
         result = preferences_dialog.get_config()
         assert result == config_parametrized
 
+    @pytest.mark.slowtest
     def test_set_config(self, preferences_dialog, config_parametrized):
         """Make sure setting the field values works as expected."""
         preferences_dialog._set_config(config_parametrized)
diff --git a/tests/test_hamster-gtk.py b/tests/test_hamster-gtk.py
index 1df583a5..8f7f7c4c 100755
--- a/tests/test_hamster-gtk.py
+++ b/tests/test_hamster-gtk.py
@@ -29,7 +29,7 @@ def test__reload_config(self, app, config, mocker):
     def test__get_default_config(self, app, appdirs):
         """Make sure the defaults use appdirs for relevant paths."""
         result = app._get_default_config()
-        assert len(result) == 8
+        assert len(result) == 10
         assert os.path.dirname(result['tmpfile_path']) == appdirs.user_data_dir
         assert os.path.dirname(result['db_path']) == appdirs.user_data_dir