test_uptime_pretty_print intermittent failure #14260

---- test_uptime::test_uptime_pretty_print stdout ----
bin: "/home/runner/work/coreutils/coreutils/target/aarch64-unknown-linux-gnu/debug/coreutils"
run: /home/runner/work/coreutils/coreutils/target/aarch64-unknown-linux-gnu/debug/coreutils uptime -p

thread 'test_uptime::test_uptime_pretty_print' panicked at tests/by-util/test_uptime.rs:339:10:
'up 1 hour
' does not contain 'minute'
stack backtrace:
   0: __rustc::rust_begin_unwind
             at /rustc/6b00bc3880198600130e1cf62b8f8a93494488cc/library/std/src/panicking.rs:697:5
   1: core::panicking::panic_fmt
             at /rustc/6b00bc3880198600130e1cf62b8f8a93494488cc/library/core/src/panicking.rs:75:14
   2: uutests::util::CmdResult::stdout_contains
             at ./tests/uutests/src/lib/util.rs:802:9
   3: tests::test_uptime::test_uptime_pretty_print
             at ./tests/by-util/test_uptime.rs:335:5
   4: tests::test_uptime::test_uptime_pretty_print::{{closure}}
             at ./tests/by-util/test_uptime.rs:334:30
   5: core::ops::function::FnOnce::call_once
             at /rustc/6b00bc3880198600130e1cf62b8f8a93494488cc/library/core/src/ops/function.rs:250:5
   6: core::ops::function::FnOnce::call_once
             at /rustc/6b00bc3880198600130e1cf62b8f8a93494488cc/library/core/src/ops/function.rs:250:5
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.