Fixed jest tests (#4887)

* Fixed jest tests & one cypress test

* Updated headers

cvat-core/.eslintrc.js

@@ -19,6 +19,7 @@ module.exports = {
         project: './tsconfig.json',
         tsconfigRootDir: __dirname,
     },
+    ignorePatterns: ['tests/**/*.js'],
     plugins: ['jest'],
     rules: {
         'jest/no-disabled-tests': 'warn',

cvat-core/tests/api/annotations.js

@@ -1,4 +1,5 @@
 // Copyright (C) 2020-2022 Intel Corporation
+// Copyright (C) 2022 CVAT.ai Corp
 //
 // SPDX-License-Identifier: MIT
 
@@ -613,6 +614,7 @@ describe('Feature: merge annotations', () => {
             name: 'new_label',
             attributes: [],
         });
+        await states[1].save();
 
         expect(task.annotations.merge(states)).rejects.toThrow(window.cvat.exceptions.ArgumentError);
     });