Make System Parachains trusted Teleporters (#1368)

Make System Parachain trusted Teleporters of each other.

Migration of https://github.com/paritytech/cumulus/pull/2842

---------

Co-authored-by: command-bot <>
Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

cumulus/parachains/integration-tests/emulated/assets/asset-hub-westend/src/lib.rs

@@ -27,6 +27,7 @@ pub use integration_tests_common::{
 		asset_hub_westend::ED as ASSET_HUB_WESTEND_ED, westend::ED as WESTEND_ED,
 		PROOF_SIZE_THRESHOLD, REF_TIME_THRESHOLD, XCM_V3,
 	},
+	test_parachain_is_trusted_teleporter,
 	xcm_helpers::{xcm_transact_paid_execution, xcm_transact_unpaid_execution},
 	AssetHubWestend, AssetHubWestendPallet, AssetHubWestendReceiver, AssetHubWestendSender,
 	PenpalWestendA, PenpalWestendAPallet, PenpalWestendAReceiver, PenpalWestendASender, Westend,
@@ -88,5 +89,4 @@ pub fn system_para_test_args(
 }
 
 #[cfg(test)]
-#[cfg(not(feature = "runtime-benchmarks"))]
 mod tests;

cumulus/parachains/integration-tests/emulated/assets/asset-hub-westend/src/tests/teleport.rs

@@ -357,3 +357,17 @@ fn teleport_native_assets_from_system_para_to_relay_fails() {
 	// Receiver's balance does not change
 	assert_eq!(receiver_balance_after, receiver_balance_before);
 }
+
+// TODO: uncomment when CollectivesWestend and BridgeHubWestend are implemented
+// https://github.com/paritytech/polkadot-sdk/pull/1737 (CollectivesWestend)
+// #[test]
+// fn teleport_to_other_system_parachains_works() {
+// 	let amount = ASSET_HUB_WESTEND_ED * 100;
+// 	let native_asset: VersionedMultiAssets = (Parent, amount).into();
+
+// 	test_parachain_is_trusted_teleporter!(
+// 		AssetHubWestend,                            // Origin
+// 		vec![CollectivesWestend, BridgeHubWestend], // Destinations
+// 		(native_asset, amount)
+// 	);
+// }