diff --git a/tests/data/reference/test_tidal_run/bnd_K1_0.csv b/tests/data/reference/test_tidal_run/debug_bnd_K1_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/bnd_K1_0.csv
rename to tests/data/reference/test_tidal_run/debug_bnd_K1_0.csv
diff --git a/tests/data/reference/test_tidal_run/bnd_K2_0.csv b/tests/data/reference/test_tidal_run/debug_bnd_K2_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/bnd_K2_0.csv
rename to tests/data/reference/test_tidal_run/debug_bnd_K2_0.csv
diff --git a/tests/data/reference/test_tidal_run/bnd_M2_0.csv b/tests/data/reference/test_tidal_run/debug_bnd_M2_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/bnd_M2_0.csv
rename to tests/data/reference/test_tidal_run/debug_bnd_M2_0.csv
diff --git a/tests/data/reference/test_tidal_run/bnd_N2_0.csv b/tests/data/reference/test_tidal_run/debug_bnd_N2_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/bnd_N2_0.csv
rename to tests/data/reference/test_tidal_run/debug_bnd_N2_0.csv
diff --git a/tests/data/reference/test_tidal_run/bnd_O1_0.csv b/tests/data/reference/test_tidal_run/debug_bnd_O1_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/bnd_O1_0.csv
rename to tests/data/reference/test_tidal_run/debug_bnd_O1_0.csv
diff --git a/tests/data/reference/test_tidal_run/bnd_P1_0.csv b/tests/data/reference/test_tidal_run/debug_bnd_P1_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/bnd_P1_0.csv
rename to tests/data/reference/test_tidal_run/debug_bnd_P1_0.csv
diff --git a/tests/data/reference/test_tidal_run/bnd_Q1_0.csv b/tests/data/reference/test_tidal_run/debug_bnd_Q1_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/bnd_Q1_0.csv
rename to tests/data/reference/test_tidal_run/debug_bnd_Q1_0.csv
diff --git a/tests/data/reference/test_tidal_run/bnd_S2_0.csv b/tests/data/reference/test_tidal_run/debug_bnd_S2_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/bnd_S2_0.csv
rename to tests/data/reference/test_tidal_run/debug_bnd_S2_0.csv
diff --git a/tests/data/reference/test_tidal_run/tide_K1_0.csv b/tests/data/reference/test_tidal_run/debug_tide_K1_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/tide_K1_0.csv
rename to tests/data/reference/test_tidal_run/debug_tide_K1_0.csv
diff --git a/tests/data/reference/test_tidal_run/tide_K2_0.csv b/tests/data/reference/test_tidal_run/debug_tide_K2_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/tide_K2_0.csv
rename to tests/data/reference/test_tidal_run/debug_tide_K2_0.csv
diff --git a/tests/data/reference/test_tidal_run/tide_M2_0.csv b/tests/data/reference/test_tidal_run/debug_tide_M2_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/tide_M2_0.csv
rename to tests/data/reference/test_tidal_run/debug_tide_M2_0.csv
diff --git a/tests/data/reference/test_tidal_run/tide_N2_0.csv b/tests/data/reference/test_tidal_run/debug_tide_N2_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/tide_N2_0.csv
rename to tests/data/reference/test_tidal_run/debug_tide_N2_0.csv
diff --git a/tests/data/reference/test_tidal_run/tide_O1_0.csv b/tests/data/reference/test_tidal_run/debug_tide_O1_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/tide_O1_0.csv
rename to tests/data/reference/test_tidal_run/debug_tide_O1_0.csv
diff --git a/tests/data/reference/test_tidal_run/tide_P1_0.csv b/tests/data/reference/test_tidal_run/debug_tide_P1_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/tide_P1_0.csv
rename to tests/data/reference/test_tidal_run/debug_tide_P1_0.csv
diff --git a/tests/data/reference/test_tidal_run/tide_Q1_0.csv b/tests/data/reference/test_tidal_run/debug_tide_Q1_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/tide_Q1_0.csv
rename to tests/data/reference/test_tidal_run/debug_tide_Q1_0.csv
diff --git a/tests/data/reference/test_tidal_run/tide_S2_0.csv b/tests/data/reference/test_tidal_run/debug_tide_S2_0.csv
similarity index 100%
rename from tests/data/reference/test_tidal_run/tide_S2_0.csv
rename to tests/data/reference/test_tidal_run/debug_tide_S2_0.csv
diff --git a/tests/test_tidal_run.py b/tests/test_tidal_run.py
index 8f474fc2..3cdd1731 100644
--- a/tests/test_tidal_run.py
+++ b/tests/test_tidal_run.py
@@ -53,10 +53,10 @@ def test_tidal_run(shinnecock_mesh_directory):
         for index, row in mesh.boundaries.ocean.gdf.iterrows():
             vertices = mesh.get_xy(crs='EPSG:4326').iloc[row.indexes, :].values
             df_verts = pd.DataFrame(vertices)
-            df_verts.to_csv(output_directory / f'bnd_{constituent}_{index}.csv')
+            df_verts.to_csv(output_directory / f'debug_bnd_{constituent}_{index}.csv')
             amp, phase = mesh.forcings.tides.tidal_dataset(constituent, vertices)
             df_tide = pd.DataFrame({'amp': amp, 'phase': phase})
-            df_verts.to_csv(output_directory / f'tide_{constituent}_{index}.csv')
+            df_verts.to_csv(output_directory / f'debug_tide_{constituent}_{index}.csv')
 
     check_reference_directory(
         output_directory,