diff --git a/trollsched/shapefiles_from_schedule.py b/trollsched/shapefiles_from_schedule.py
index 3e9aea5..13092d8 100644
--- a/trollsched/shapefiles_from_schedule.py
+++ b/trollsched/shapefiles_from_schedule.py
@@ -143,7 +143,7 @@ def parse_args(args):
                         "verbose logging). WARN=0, INFO=1, "
                         "DEBUG=2. This is overridden by the log config file if specified.")
 
-    return parser.parse_args()
+    return parser.parse_args(args)
 
 
 def run(args=None):
diff --git a/trollsched/tests/test_pass_outlines.py b/trollsched/tests/test_pass_outlines.py
index 8b8be8b..aae2e74 100644
--- a/trollsched/tests/test_pass_outlines.py
+++ b/trollsched/tests/test_pass_outlines.py
@@ -28,7 +28,7 @@
     create_shapefile_filename,
     create_shapefile_from_pass,
     get_shapely_polygon_from_lonlat,
-    shapefiles_from_schedule_xml_requests,
+    run,
 )
 
 CONT_POLY_LON = np.array([-2.13452262, -2.29587336, -2.71901413, 2.49884179, 1.84466852,
@@ -97,13 +97,15 @@ def test_create_shapefile_from_pass(fake_noaa20_viirs_pass_instance, tmp_path):
 
 @pytest.mark.usefixtures("fake_long_tle_file")
 @pytest.mark.usefixtures("fake_xml_schedule_file")
-def test_shapefiles_from_schedule_xml_requests(fake_xml_schedule_file, fake_long_tle_file, tmp_path):
-    """Test create shapefiles from an xml schedule request file."""
+def test_create_shapefiles_from_schedule(fake_xml_schedule_file, fake_long_tle_file, tmp_path):
+    """Test running the script to create shapefiles from an xml schedule request file."""
     output_dir = tmp_path / "results"
     output_dir.mkdir()
-    satellites = ["Suomi NPP", "NOAA 18", "NOAA-20"]
-    shapefiles_from_schedule_xml_requests(str(fake_xml_schedule_file), satellites,
-                                          str(fake_long_tle_file), str(output_dir))
+
+    args = ["-s", "Suomi NPP", "NOAA 18", "NOAA-20", "-t", str(fake_long_tle_file),
+            "-x", str(fake_xml_schedule_file),
+            "-o", str(output_dir)]
+    run(args)
 
     n18files = [str(name) for name in output_dir.glob("avhrr_NOAA-18_202412022201_202412022216_outline.*")]
     assert len(n18files) == 5