--- a/tests/src/eth/migration.seqtest.ts
+++ b/tests/src/eth/migration.seqtest.ts
@@ -127,7 +127,7 @@
   });
   itEth('Fake collection creation on substrate side', async ({helper}) => {
     const txInsertEvents = helper.constructApiCall('api.tx.evmMigration.insertEvents', [[
-      encodeEvent(helper.api!, 'Common', 'common', 'CollectionCreated', [
+      encodeEvent(helper.getApi(), 'Common', 'common', 'CollectionCreated', [
         // Collection Id
         9999,
         // Collection mode: NFT
@@ -144,7 +144,7 @@
   });
   itEth('Fake token creation on substrate side', async ({helper}) => {
     const txInsertEvents = helper.constructApiCall('api.tx.evmMigration.insertEvents', [[
-      encodeEvent(helper.api!, 'Common', 'common', 'ItemCreated', [
+      encodeEvent(helper.getApi(), 'Common', 'common', 'ItemCreated', [
         // Collection Id
         9999,
         // TokenId