fixed flaky test case (#2412)

Co-authored-by: Pulkit0729 <[email protected]>

Author: Pulkit0729

test/unit/winston/transports/02-file-archive.test.js

@@ -48,8 +48,8 @@ describe('winston/transports/file/zippedArchive', function () {
       assume(
         fs.existsSync(path.join(testLogFixturesPath, 'testarchive.log.gz'))
       ).false();
+      done();
     });
-    done();
   });
 
   it('should create multiple zip files', function (done) {