tests: Replace is_connected() with is_registered()
API was renamed and old name deprecated, let's use it everywhere.
Change-Id: Ic91dddcfd1a5a17c35d15a8a14628b3923229523
diff --git a/sysmocom/suites/sms/mo_mt_sms.py b/sysmocom/suites/sms/mo_mt_sms.py
index 51e78c0..d7606e4 100755
--- a/sysmocom/suites/sms/mo_mt_sms.py
+++ b/sysmocom/suites/sms/mo_mt_sms.py
@@ -33,8 +33,8 @@
ms_mt.log_info()
print('waiting for modems to attach...')
-wait(ms_mo.is_connected, msc.mcc_mnc())
-wait(ms_mt.is_connected, msc.mcc_mnc())
+wait(ms_mo.is_registered, msc.mcc_mnc())
+wait(ms_mt.is_registered, msc.mcc_mnc())
wait(msc.subscriber_attached, ms_mo, ms_mt)
sms = ms_mo.sms_send(ms_mt)