hnbgw: f_iuh2iu_disconnect: allow more time
Increase timeout for expecting an SCCP RLSD from osmo-hnbgw.
Affects tests
HNBGW_Tests.TC_ranap_cs_mo_disconnect
HNBGW_Tests.TC_ranap_ps_mo_disconnect
Rationale:
For the case
RUA --id-Disconnect--> HNBGW ----release-SCCP---- CN
the tests expect behavior not exactly specified.
3GPP TS 48.006 9.2 Connection release:
The MSC sends a SCCP released message. This message shall not contain
any user data field.
So what we should expect is this:
HNBGW MSC
RUA --id-Disconnect-------> | ---Data-Form-1(!)---> | Iu-ReleaseComplete
| <--Released---------- | (no data)
Instead, we expect the HNBGW to immediately send a RLSD to the MSC:
HNBGW MSC
RUA --id-Disconnect-------> | ---Released---------> | Iu-ReleaseComplete
osmo-hnbgw is being fixed in that respect: it will soon give time for
the CN to send an SCCP RLSD, and only if that times out will osmo-hnbgw
send an SCCP RLSD to the CN.
So HNBGW_Tests.ttcn should still ensure that osmo-hnbgw will eventually
send an SCCP RLSD if the CN fails to do so, but it should allow more
time to accomodate the release timeout.
Related: osmo-hnbgw I6ff7e36532ff57c6f2d3e7e419dd22ef27dafd19
Related: SYS#6297
Change-Id: Ibf6eaeb1b82d43e4f208f64a71f2f6e889883a11
1 file changed