Fix flaky E2E test in specs/modules/analytics/setup-gcp-no-account-no-tag.test.js.

[techanvil]

Feature Description

We still have a number of E2E tests failing with some regularity in our CI test runs. The task of fixing them has been split into four issues in order to make it easier to investigate and fix. See #10109, #10110, #10111.

setting up the Analytics module using GCP auth with no existing account and no existing tag › displays account creation form when user has no Analytics account

Example: https://github.com/google/site-kit-wp/actions/runs/12874436085/job/35893852219#step:11:249

Details

FAIL specs/modules/analytics/setup-gcp-no-account-no-tag.test.js (11.522 s)
  ● setting up the Analytics module using GCP auth with no existing account and no existing tag › displays account creation form when user has no Analytics account

    expect(jest.fn()).not.toHaveErrored(expected)

    Expected mock function not to be called but it was called with:
    ["Google Site Kit API Error method:POST datapoint:settings type:modules identifier:analytics-4 error:\"The response is not a valid JSON response.\""],["Google Site Kit API Error method:GET datapoint:account-summaries type:modules identifier:analytics-4 error:\"The response is not a valid JSON response.\""]

      at Object.assertExpectedCalls (../../node_modules/@wordpress/jest-console/build/@wordpress/jest-console/src/index.js:36:4)
          at runMicrotasks (<anonymous>)

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Acceptance criteria

• The test listed in the Feature Description should pass every time in CI.

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