Assert that two tibbles of date and time mapping align

Usage

assert_equivalent_indexing(
  first_data,
  second_data,
  arg1 = "x1",
  arg2 = "x2",
  call = rlang::caller_env(),
  add_err_msg = ""
)

first_data: a tibble containing the columns date (with IS08601 dates) and t (integers of time in days)
second_data: a tibble containing the columns date (with IS08601 dates) and t (integers of time in days)
arg1: string to print the name of the element your checking, default is x1
arg2: string to print the name of the element your checking, default is x2
call: Calling environment to be passed to cli::cli_abort() for traceback.
add_err_msg: add_err_msg string containing an additional error message, default is the empty string ("")

NULL invisible