tests: Fix tdef_test on 32bit platforms

60 seconds = 6000000000 microseconds was too big to be stored in an
unsigned long in a 32bit platform, making the test print 4294967295
instead. Let's set a smaller value to have the test happy on 32 bits.

Change-Id: I97d53f6b7b410cef4b3f3fbe3162626fcdd7b05a
diff --git a/tests/tdef/tdef_test.ok b/tests/tdef/tdef_test.ok
index 1770968..4bdd3d0 100644
--- a/tests/tdef/tdef_test.ok
+++ b/tests/tdef/tdef_test.ok
@@ -54,12 +54,12 @@
 osmo_tdef_get(1000, m)	= 1
 osmo_tdef_get(1000, custom-unit)	= 2000
 osmo_tdef_get(1000, us)	= 2000000
-T1001=60000ms
-osmo_tdef_get(1001, s)	= 60
-osmo_tdef_get(1001, ms)	= 60000
+T1001=30000ms
+osmo_tdef_get(1001, s)	= 30
+osmo_tdef_get(1001, ms)	= 30000
 osmo_tdef_get(1001, m)	= 1
-osmo_tdef_get(1001, custom-unit)	= 60000
-osmo_tdef_get(1001, us)	= 60000000
+osmo_tdef_get(1001, custom-unit)	= 30000
+osmo_tdef_get(1001, us)	= 30000000
 T1004=1ms
 osmo_tdef_get(1004, s)	= 1
 osmo_tdef_get(1004, ms)	= 1