test_ls: Do not rely on the system time of metadata'access time

[hbina]

---- test_ls::test_ls_order_time stdout ----
current_directory_resolved:
touch: C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-1
write(append): C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-1
touch: C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-2
write(append): C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-2
touch: C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-3
write(append): C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-3
touch: C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-4
write(append): C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-4
open: C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-3
run: C:\Users\Hanif\git\coreutils\target\debug\coreutils.exe ls -al
run: C:\Users\Hanif\git\coreutils\target\debug\coreutils.exe ls -t
run: C:\Users\Hanif\git\coreutils\target\debug\coreutils.exe ls --sort=time
run: C:\Users\Hanif\git\coreutils\target\debug\coreutils.exe ls -tr
run: C:\Users\Hanif\git\coreutils\target\debug\coreutils.exe ls --sort=time -r
run: C:\Users\Hanif\git\coreutils\target\debug\coreutils.exe ls -t -u
open: C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-3
open: C:\Users\Hanif\AppData\Local\Temp\.tmp2wgS4L\test-4
thread 'test_ls::test_ls_order_time' panicked at 'assertion failed: `(left == right)`

Diff < left / right > :
<"test-4\ntest-3\ntest-2\ntest-1\n"
>"test-3\ntest-4\ntest-2\ntest-1\n"

', tests\common\util.rs:233:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace


failures:
    test_ls::test_ls_order_time

test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 1496 filtered out; finished in 0.60s

error: test failed, to rerun pass '--test tests'

file3_access here is larger than file4_access but somehow it failed? https://github.com/uutils/coreutils/blob/main/tests/by-util/test_ls.rs#L1330-L1331

Signed-off-by: Hanif Bin Ariffin hanif.ariffin.43262@gmail.com