test/py/tests/test_sleep.py: test time approximately

On qemu errors like
assert 2.999650001525879 >= 3
occur.

According to the comment in the code the test is meant to be
approximate. So we should accept some milliseconds less.

Cc: Stephen Warren <[email protected]>
Signed-off-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Stephen Warren <[email protected]>

diff --git a/test/py/tests/test_sleep.py b/test/py/tests/test_sleep.py
index b59a4cfc0fc295cae3cf28e81bfb3f54825aa701..64e0571326224ba42322c780974e7281f1ce1367 100644 (file)
--- a/test/py/tests/test_sleep.py
+++ b/test/py/tests/test_sleep.py
@@ -17,7 +17,7 @@ def test_sleep(u_boot_console):
     u_boot_console.run_command('sleep %d' % sleep_time)
     tend = time.time()
     elapsed = tend - tstart
-    assert elapsed >= sleep_time
+    assert elapsed >= (sleep_time - 0.01)
     if not u_boot_console.config.gdbserver:
         # 0.25s margin is hopefully enough to account for any system overhead.
         assert elapsed < (sleep_time + 0.25)