[3/4] kernel32/tests: WaitCommEvent may sometimes return immediately on a busy system when write operation to a COM-port has already completed.

[Dmitry Timoshkov]

---
 dlls/kernel32/tests/comm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/kernel32/tests/comm.c b/dlls/kernel32/tests/comm.c
index 33b10ac..f780f75 100644
--- a/dlls/kernel32/tests/comm.c
+++ b/dlls/kernel32/tests/comm.c
@@ -939,7 +939,7 @@ static void test_waittxempty(void)
         evtmask = 0;
         SetLastError(0xdeadbeef);
         res = WaitCommEvent(hcom, &evtmask, &ovl_wait);
-        ok(!res && GetLastError() == ERROR_IO_PENDING, "%d: WaitCommEvent error %d\n", i, GetLastError());
+        ok((!res && GetLastError() == ERROR_IO_PENDING) || res /* busy system */, "%d: WaitCommEvent error %d\n", i, GetLastError());
 
         res = WaitForSingleObject(ovl_wait.hEvent, TIMEOUT);
         if (i == 0)
-- 
1.8.4.1