Add parameter public_net in ServerSignalIntegrationTest

Closes-Bug: #1756810
Closes-Issue: PROD-19816

Change-Id: I6bb8cdbe1814d151f3f20f98c19cfe21503a48f0
(cherry picked from commit fe7fbb4f4be72a45a51c5b88cab46c05b1ffab3f)
1 file changed