fix: Lint error in util.test.ts

Author: gambinish

ui/pages/asset/util.test.ts

@@ -1,5 +1,5 @@
-import { findAssetByAddress } from './util';
 import { Token } from '@metamask/assets-controllers';
+import { findAssetByAddress } from './util';
 
 describe('findAssetByAddress', () => {
   const mockTokens: Record<string, Token[]> = {