Fix XdsServerSecurityTest (#26817)

test/cpp/end2end/xds_end2end_test.cc

@@ -9269,7 +9269,6 @@ TEST_P(XdsServerSecurityTest, UnknownTransportSocket) {
   listener.set_name(
       absl::StrCat("grpc/server?xds.resource.listening_address=",
                    ipv6_only_ ? "[::1]:" : "127.0.0.1:", backends_[0]->port()));
-  balancers_[0]->ads_service()->SetLdsResource(listener);
   auto* socket_address = listener.mutable_address()->mutable_socket_address();
   socket_address->set_address(ipv6_only_ ? "::1" : "127.0.0.1");
   socket_address->set_port_value(backends_[0]->port());
@@ -9296,7 +9295,6 @@ TEST_P(
   listener.set_name(
       absl::StrCat("grpc/server?xds.resource.listening_address=",
                    ipv6_only_ ? "[::1]:" : "127.0.0.1:", backends_[0]->port()));
-  balancers_[0]->ads_service()->SetLdsResource(listener);
   auto* socket_address = listener.mutable_address()->mutable_socket_address();
   socket_address->set_address(ipv6_only_ ? "::1" : "127.0.0.1");
   socket_address->set_port_value(backends_[0]->port());
@@ -9329,7 +9327,6 @@ TEST_P(XdsServerSecurityTest,
   listener.set_name(
       absl::StrCat("grpc/server?xds.resource.listening_address=",
                    ipv6_only_ ? "[::1]:" : "127.0.0.1:", backends_[0]->port()));
-  balancers_[0]->ads_service()->SetLdsResource(listener);
   auto* socket_address = listener.mutable_address()->mutable_socket_address();
   socket_address->set_address(ipv6_only_ ? "::1" : "127.0.0.1");
   socket_address->set_port_value(backends_[0]->port());