Unit test fails in local environment

[t-hamano]

I have run the npm run test-unit command in my local environment, but the following error occurs:

Test Results

Summary of all failing tests
 FAIL  test/integration/blocks-schema.test.js
  ● block.json schema › validates schema for 'core/comment-author-avatar'

    expect(received).toBe(expected) // Object.is equality

    Expected: true
    Received: [{"instancePath": "", "keyword": "additionalProperties", "message": "must NOT have additional properties", "params": {"additionalProperty": "__experimental"}, "schemaPath": "#/additionalProperties"}]

      37 |                              ajv.validate( blockSchema, blockMetadata ) || ajv.errors;
      38 |
    > 39 |                      expect( result ).toBe( true );
         |                                       ^
      40 |              }
      41 |      );
      42 | } );

      at test/integration/blocks-schema.test.js:39:21

  ● block.json schema › validates schema for 'core/list-item'

    expect(received).toBe(expected) // Object.is equality

    Expected: true
    Received: [{"instancePath": "", "keyword": "additionalProperties", "message": "must NOT have additional properties", "params": {"additionalProperty": "__experimental"}, "schemaPath": "#/additionalProperties"}]

      37 |                              ajv.validate( blockSchema, blockMetadata ) || ajv.errors;
      38 |
    > 39 |                      expect( result ).toBe( true );
         |                                       ^
      40 |              }
      41 |      );
      42 | } );

      at test/integration/blocks-schema.test.js:39:21

  ● block.json schema › validates schema for 'core/post-author-name'

    expect(received).toBe(expected) // Object.is equality

    Expected: true
    Received: [{"instancePath": "", "keyword": "additionalProperties", "message": "must NOT have additional properties", "params": {"additionalProperty": "__experimental"}, "schemaPath": "#/additionalProperties"}]

      37 |                              ajv.validate( blockSchema, blockMetadata ) || ajv.errors;
      38 |
    > 39 |                      expect( result ).toBe( true );
         |                                       ^
      40 |              }
      41 |      );
      42 | } );

      at test/integration/blocks-schema.test.js:39:21

  ● block.json schema › validates schema for 'core/post-comment'

    expect(received).toBe(expected) // Object.is equality

    Expected: true
    Received: [{"instancePath": "", "keyword": "additionalProperties", "message": "must NOT have additional properties", "params": {"additionalProperty": "__experimental"}, "schemaPath": "#/additionalProperties"}]

      37 |                              ajv.validate( blockSchema, blockMetadata ) || ajv.errors;
      38 |
    > 39 |                      expect( result ).toBe( true );
         |                                       ^
      40 |              }
      41 |      );
      42 | } );

      at test/integration/blocks-schema.test.js:39:21

  ● block.json schema › validates schema for 'core/post-comments-count'

    expect(received).toBe(expected) // Object.is equality

    Expected: true
    Received: [{"instancePath": "", "keyword": "additionalProperties", "message": "must NOT have additional properties", "params": {"additionalProperty": "__experimental"}, "schemaPath": "#/additionalProperties"}]

      37 |                              ajv.validate( blockSchema, blockMetadata ) || ajv.errors;
      38 |
    > 39 |                      expect( result ).toBe( true );
         |                                       ^
      40 |              }
      41 |      );
      42 | } );

      at test/integration/blocks-schema.test.js:39:21

  ● block.json schema › validates schema for 'core/post-comments-link'

    expect(received).toBe(expected) // Object.is equality

    Expected: true
    Received: [{"instancePath": "", "keyword": "additionalProperties", "message": "must NOT have additional properties", "params": {"additionalProperty": "__experimental"}, "schemaPath": "#/additionalProperties"}]

      37 |                              ajv.validate( blockSchema, blockMetadata ) || ajv.errors;
      38 |
    > 39 |                      expect( result ).toBe( true );
         |                                       ^
      40 |              }
      41 |      );
      42 | } );

      at test/integration/blocks-schema.test.js:39:21


Test Suites: 1 failed, 534 passed, 535 total
Tests:       6 failed, 1 skipped, 6207 passed, 6214 total
Snapshots:   326 passed, 326 total
Time:        185.214 s, estimated 209 s
Ran all test suites.

It appears that the block schema validation is failing in test/integration/blocks-schema.test.js.
Additionally, the error is occurring in blocks with the __experimental property in block.json.

Am I missing some advance preparation?
This may be a problem with my environment, but if you have any solutions, please advise.

Environment Info

• OS: Ubuntu 20.04.4 LTS（WSL2 on Windows OS）
• Gutenberg version: trunk (13.2.0-rc.2)

[t-hamano]

I tried again and successfully added the test. (Gutenberg v13.5.0)
I think it was either a temporary problem or an issue with my environment.