BTS_Tests: fix IPv4 matching in TC_pcu_socket_{nsvc_ipv4,two_nsvc}

This commit fixes a regression introduced in [1]

Change-Id: I107039f1ff44ae8c41d690f5f293ed136c17586b
Fixes: [1] Ia9f366ca1fdad700a90ca3367e43523f7bac39a1
1 file changed