Update tests/test_catalog.py

Co-authored-by: Aparna Radhakrishnan <aparna.radhakrishnan@noaa.gov>

tests/test_catalog.py

@@ -42,7 +42,7 @@ def main(json_path,json_template_path,test_failure):
     errors = 0
     for column in req:
         if column not in catalog.columns:
-            print(f"The required column '{column}' does not exist. Double check config file.")
+            print(f"The required column '{column}' does not exist in the csv. In other words, there is some inconsistency between the json and the csv file. Please check out info listed under aggregation_control and groupby_attrs in your json file and verify if those columns show up in the csv as well.")
             errors += 1
 
         if(catalog[column].isnull().values.any()):