--- a/tests/src/eth/util/playgrounds/unique.dev.ts
+++ b/tests/src/eth/util/playgrounds/unique.dev.ts
@@ -206,6 +206,7 @@
     this.mergeDeprecated = mergeDeprecated;
   }
 
+  // eslint-disable-next-line require-await
   private async createTransaction() {
     const collectionHelper = this.helper.ethNativeContract.collectionHelpers(this.signer);
     let collectionMode;
--- a/tests/src/util/playgrounds/unique.dev.ts
+++ b/tests/src/util/playgrounds/unique.dev.ts
@@ -9,7 +9,7 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {EventRecord} from '@polkadot/types/interfaces';
 import {ICrossAccountId, IPovInfo, ITransactionResult, TSigner} from './types';
-import {FrameSystemEventRecord, XcmV2TraitsError, PalletSchedulerEvent} from '@polkadot/types/lookup';
+import {FrameSystemEventRecord, XcmV2TraitsError} from '@polkadot/types/lookup';
 import {VoidFn} from '@polkadot/api/types';
 import {Pallets} from '..';
 import {spawnSync} from 'child_process';