Assert a std::fs::read_to_string() value is greater than an expression.
let path = "bravo.txt"; let value = String::from("alfa\n"); assert_fs_read_to_string_gt_expr!(&path, &value);
assert_fs_read_to_string_gt_expr
assert_fs_read_to_string_gt_expr_as_result
debug_assert_fs_read_to_string_gt_expr