diff --git a/tests/unit/test_run_stitchee.py b/tests/unit/test_run_stitchee.py
index 42f5ec4..b5377c2 100644
--- a/tests/unit/test_run_stitchee.py
+++ b/tests/unit/test_run_stitchee.py
@@ -31,7 +31,7 @@ class TestBatching:
     __harmony_path = __data_path.joinpath("harmony")
     __granules_path = __harmony_path.joinpath("granules")
 
-    def test_run_stitchee_cli_with_no_error(self, temp_output_dir):
+    def test_run_stitchee_cli_with_three_filepaths(self, temp_output_dir):
         test_args = [
             concatenator.run_stitchee.__file__,
             path_str(
@@ -55,3 +55,20 @@ def test_run_stitchee_cli_with_no_error(self, temp_output_dir):
 
         with patch.object(sys, "argv", test_args):
             concatenator.run_stitchee.main()
+
+    def test_run_stitchee_cli_with_one_directorypath(self, temp_output_dir):
+        test_args = [
+            concatenator.run_stitchee.__file__,
+            str(self.__granules_path),
+            "--copy_input_files",
+            "--verbose",
+            "-o",
+            path_str(temp_output_dir, "test_run_stitchee_output.nc"),
+            "--concat_method",
+            "xarray-concat",
+            "--concat_dim",
+            "mirror_step",
+        ]
+
+        with patch.object(sys, "argv", test_args):
+            concatenator.run_stitchee.main()