[Migrations V2] Unskip migration_7.7.2_xpack_100k (elastic#103435)

src/core/server/saved_objects/migrationsv2/integration_tests/migration_7.7.2_xpack_100k.test.ts

@@ -6,9 +6,8 @@
  * Side Public License, v 1.
  */
 
-import Path from 'path';
-import Fs from 'fs';
-import Util from 'util';
+import path from 'path';
+import { unlink } from 'fs/promises';
 import { REPO_ROOT } from '@kbn/dev-utils';
 import { Env } from '@kbn/config';
 import { getEnvOptions } from '@kbn/config/target/mocks';
@@ -18,12 +17,11 @@ import { InternalCoreStart } from '../../../internal_types';
 import { Root } from '../../../root';
 
 const kibanaVersion = Env.createDefault(REPO_ROOT, getEnvOptions()).packageInfo.version;
-const logFilePath = Path.join(__dirname, 'migration_test_kibana.log');
+const logFilePath = path.join(__dirname, 'migration_test_kibana.log');
 
-const asyncUnlink = Util.promisify(Fs.unlink);
 async function removeLogFile() {
   // ignore errors if it doesn't exist
-  await asyncUnlink(logFilePath).catch(() => void 0);
+  await unlink(logFilePath).catch(() => void 0);
 }
 
 describe('migration from 7.7.2-xpack with 100k objects', () => {
@@ -63,12 +61,9 @@ describe('migration from 7.7.2-xpack with 100k objects', () => {
               },
             },
           },
-          loggers: [
-            {
-              name: 'root',
-              appenders: ['file'],
-            },
-          ],
+          root: {
+            appenders: ['default', 'file'],
+          },
         },
         // reporting loads headless browser, that prevents nodejs process from exiting.
         xpack: {
@@ -111,7 +106,7 @@ describe('migration from 7.7.2-xpack with 100k objects', () => {
     await removeLogFile();
     await startServers({
       oss: false,
-      dataArchive: Path.join(__dirname, 'archives', '7.7.2_xpack_100k_obj.zip'),
+      dataArchive: path.join(__dirname, 'archives', '7.7.2_xpack_100k_obj.zip'),
     });
   });