Function bridge_hub_test_utils::ensure_opened_bridge

pub fn ensure_opened_bridge<Runtime, XcmOverBridgePalletInstance, LocationToAccountId, TokenLocation>(
    source: Location,
    destination: InteriorLocation,
    is_paid_xcm_execution: bool,
    bridge_opener: impl Fn(BridgeLocations, Option<Asset>),
) -> (BridgeLocations, LaneIdOf<Runtime, XcmOverBridgePalletInstance>)
where
    Runtime: BasicParachainRuntime + BridgeXcmOverBridgeConfig<XcmOverBridgePalletInstance>,
    XcmOverBridgePalletInstance: 'static,
    <Runtime as Config>::RuntimeCall: GetDispatchInfo + From<BridgeXcmOverBridgeCall<Runtime, XcmOverBridgePalletInstance>>,
    <Runtime as Config>::Balance: From<<<Runtime as Config<<Runtime as Config<XcmOverBridgePalletInstance>>::BridgeMessagesPalletInstance>>::ThisChain as Chain>::Balance> + From<u128>,
    LocationToAccountId: ConvertLocation<AccountIdOf<Runtime>>,
    TokenLocation: Get<Location>,

Helper function to open the bridge/lane for source and destination while ensuring all required balances are placed into the SA of the source.