--- a/tests/src/util/playgrounds/unique.dev.ts
+++ b/tests/src/util/playgrounds/unique.dev.ts
@@ -5,7 +5,8 @@
 import {UniqueHelper} from './unique';
 import {ApiPromise, WsProvider} from '@polkadot/api';
 import * as defs from '../../interfaces/definitions';
-import { TSigner } from './types';
+import {TSigner} from './types';
+import {IKeyringPair} from '@polkadot/types/types';
 
 
 export class DevUniqueHelper extends UniqueHelper {
@@ -73,7 +74,7 @@
     let nonce = await this.helper.chain.getNonce(donor.address);
     const tokenNominal = this.helper.balance.getOneTokenNominal();
     const transactions = [];
-    const accounts = [];
+    const accounts: IKeyringPair[] = [];
     for (const balance of balances) {
       const recepient = this.helper.util.fromSeed(mnemonicGenerate());
       accounts.push(recepient);
@@ -84,7 +85,32 @@
       }
     }
 
-    await Promise.all(transactions);
+    await Promise.all(transactions).catch(e => {});
+    
+    //#region TODO remove this region, when nonce problem will be solved
+    const checkBalances = async () => {
+      let isSuccess = true;
+      for (let i = 0; i < balances.length; i++) {
+        const balance = await this.helper.balance.getSubstrate(accounts[i].address);
+        if (balance !== balances[i] * tokenNominal) {
+          isSuccess = false;
+          break;
+        }
+      }
+      return isSuccess;
+    };
+
+    let accountsCreated = false;
+    // waiting up to 1 minute with .25 sec retry
+    for (let index = 0; index < 240; index++) {
+      accountsCreated = await checkBalances();
+      if(accountsCreated) break;
+      await new Promise(resolve => setTimeout(resolve, 250));
+    }
+
+    if (!accountsCreated) throw Error('Accounts generation failed');
+    //#endregion
+
     return accounts;
   };
 }
\ No newline at end of file