fix test

Author: lacoak21

imap_processing/tests/external_test_data_config.py

@@ -162,6 +162,7 @@
     ("validate_high_energy_culling_results_repoint00047_v2.csv", "ultra/data/l1/"),
     ("validate_stat_culling_results_repoint00047_v2.csv", "ultra/data/l1/"),
     ("validate_upstream_ion_1_culling_results_repoint00047_v1.csv", "ultra/data/l1/"),
+    ("validate_spectral_culling_results_repoint00047_v1.csv", "ultra/data/l1/"),
     ("de_test_data_repoint00047.csv", "ultra/data/l1/"),
     ("FM45_UltraFM45Extra_TV_Tests_2024-01-22T0930_20240122T093008.CCSDS", "ultra/data/l0/"),
     ("ultra45_raw_sc_rawnrgevnt_19840122_00.csv", "ultra/data/l0/"),