diff --git a/unittests/table_json_conversion/data/simple_data_datetime.xlsx b/unittests/table_json_conversion/data/simple_data_datetime.xlsx new file mode 100644 index 0000000000000000000000000000000000000000..c6752614e700ecfd6040c087ff3254a68fd5e158 Binary files /dev/null and b/unittests/table_json_conversion/data/simple_data_datetime.xlsx differ