timer: Increase the imprecision we accept in this test
On a loaded server we might not be able to reach 10ms precision
in the test configuration and this is not a high precision timer
anyway.
diff --git a/tests/timer/timer_test.c b/tests/timer/timer_test.c
index 3775151..61079bd 100644
--- a/tests/timer/timer_test.c
+++ b/tests/timer/timer_test.c
@@ -60,7 +60,7 @@
/* timer imprecision that we accept for this test: 10 milliseconds. */
#define TIMER_PRES_SECS 0
-#define TIMER_PRES_USECS 10000
+#define TIMER_PRES_USECS 20000
static int timer_nsteps = MAIN_TIMER_NSTEPS;
static unsigned int expired_timers = 0;