BSC_Tests: s/f_verify_active_layer3/f_mo_l3_transceive/g

The new name is more concrete and better reflects what the
function does: transmit a MO L3 payload to the IUT over the
A-bis/RSL and receive it back on the A/BSSAP.

Change-Id: Ic2b60b60c49ae7788ce03503b8b867bb9e55244b
Related: OS#3716
1 file changed