refactor: Async functions don't need to explicitly return promises (no-changelog) (#6041)

packages/nodes-base/nodes/Google/BigQuery/test/v2/node/insert.autoMapMode.test.ts

@@ -17,25 +17,24 @@ jest.mock('../../../v2/transport', () => {
 					'/v2/projects/test-project/datasets/bigquery_node_dev_test_dataset/tables/num_text' &&
 				method === 'GET'
 			) {
-				return Promise.resolve({
+				return {
 					schema: {
 						fields: [
 							{ name: 'id', type: 'INT' },
 							{ name: 'test', type: 'STRING' },
 						],
 					},
-				});
+				};
 			}
 			if (
 				resource ===
 					'/v2/projects/test-project/datasets/bigquery_node_dev_test_dataset/tables/num_text/insertAll' &&
 				method === 'POST'
 			) {
-				return Promise.resolve({ kind: 'bigquery#tableDataInsertAllResponse' });
+				return { kind: 'bigquery#tableDataInsertAllResponse' };
 			}
-			return Promise.resolve();
 		}),
-		googleApiRequestAllItems: jest.fn(async () => Promise.resolve()),
+		googleApiRequestAllItems: jest.fn(async () => {}),
 	};
 });