[stable2506] Fix pallet-xcm tests with test_log_capture (#9382)

Fix `pallet-xcm` tests with `test_log_capture`

Author: raymondkfcheung

polkadot/xcm/pallet-xcm/Cargo.toml

@@ -36,7 +36,7 @@ xcm.workspace = true
 pallet-assets = { default-features = true, workspace = true }
 polkadot-parachain-primitives = { default-features = true, workspace = true }
 polkadot-runtime-parachains = { default-features = true, workspace = true }
-sp-tracing = { default-features = true, workspace = true }
+sp-tracing = { features = ["test-utils"], default-features = true, workspace = true }
 xcm-simulator = { default-features = true, workspace = true }
 
 [features]