Use low-latency relays for test_ui_tunnel_settings

test/test-manager/src/tests/ui.rs

@@ -91,11 +91,18 @@ pub async fn test_ui_tunnel_settings(
     rpc: ServiceClient,
     mut mullvad_client: MullvadProxyClient,
 ) -> anyhow::Result<()> {
+    // NOTE: We have experienced flakiness due to timeout issues when fetching the outgoing IP when
+    // distant relays are used. This is why we use a low-latency relay here.
+    use helpers::custom_lists::LowLatency;
+
     // tunnel-state.spec precondition: a single WireGuard relay should be selected
     log::info!("Select WireGuard relay");
     let entry = helpers::constrain_to_relay(
         &mut mullvad_client,
-        RelayQueryBuilder::new().wireguard().build(),
+        RelayQueryBuilder::new()
+            .wireguard()
+            .location(LowLatency)
+            .build(),
     )
     .await?;