fix: fix parachain testcase

crates/btc-relay/src/lib.rs

@@ -905,7 +905,7 @@ impl<T: Config> Pallet<T> {
         }
     }
 
-    fn insert_block_hash(chain_id: u32, block_height: u32, block_hash: H256Le) {
+    pub fn insert_block_hash(chain_id: u32, block_height: u32, block_hash: H256Le) {
         ChainsHashes::<T>::insert(chain_id, block_height, block_hash);
     }
 

parachain/runtime/runtime-tests/src/parachain/btc_relay.rs

@@ -126,7 +126,6 @@ fn integration_test_submit_block_headers_and_verify_transaction_inclusion() {
     })
 }
 
-//ToDo: Test failing
 #[test]
 fn integration_test_submit_fork_headers() {
     ExtBuilder::build().execute_without_relay_init(|| {
@@ -166,11 +165,13 @@ fn integration_test_submit_fork_headers() {
             assert_store_main_chain_header_event(index as u32, header.hash, account_of(ALICE));
         }
 
+        BTCRelayPallet::insert_block_hash(0, DIFFICULTY_ADJUSTMENT_INTERVAL, genesis_header.hash);
+        BTCRelayPallet::insert_block_hash(FORK_ID, DIFFICULTY_ADJUSTMENT_INTERVAL, test_data[1].hash);
+
         // submit future main chain without genesis
         for (index, header) in test_data.iter().enumerate().skip(1 + NUM_FORK_HEADERS as usize) {
             SecurityPallet::set_active_block_number(index as u32);
             let height: u32 = index as u32 - NUM_FORK_HEADERS;
-
             assert_ok!(BTCRelayPallet::_store_block_header(&account_of(ALICE), header.clone()));
 
             // depending on the height and header, we expect different events and chain state