test_that("Source data variable names are preserved", {
  table_name <- "FOTEST"
  excel1 <- get_metadata_path(table_name)
  excel2 <- temp_xlsx_file()

  excel1 |>
    px() |>
    px_save(path = excel2)

  get_data_sheet_variable_names <- function(path) {
    path |>
      readxl::read_excel(sheet = "Data") |>
      names()
  }

  expect_equal(
    get_data_sheet_variable_names(excel1),
    get_data_sheet_variable_names(excel2)
  )
})