Add unique listener tls secret

Signed-off-by: Alex Zgabur <[email protected]>

testsuite/gateway/__init__.py

@@ -211,7 +211,7 @@ def asdict(self):
             "port": self.port,
             "protocol": self.protocol,
             "allowedRoutes": self.allowedRoutes,
-            "tls": {"mode": self.mode, "certificateRefs": [{"name": f"{self.gateway_name}-tls", "kind": "Secret"}]},
+            "tls": {"mode": self.mode, "certificateRefs": [{"name": f"{self.gateway_name}-{self.name}-tls", "kind": "Secret"}]},
         }