FIX: Test works again.

src/caosadvancedtools/table_json_conversion/fill_xlsx.py

@@ -384,7 +384,7 @@ validation_schema: dict, optional
             validate(data, validation_schema, format_checker=FormatChecker())
         except ValidationError as ve:
             print(ve.message)
-            raise RuntimeError("Validation failed")
+            raise ve
     else:
         print("No validation schema given, continue at your own risk.")