Flaky test: "Custom network customNetwork should add mainnet network"

[chloeYue]

What is this about?

Failure:
https://app.circleci.com/pipelines/github/MetaMask/metamask-extension/81018/workflows/092574cf-d4e8-4fbd-a5ae-b185ee6b9737/jobs/2868183/tests

Error message

Screenshot

Scenario

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Design

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Technical Details

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Threat Modeling Framework

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Acceptance Criteria

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Stakeholder review needed before the work gets merged

• Engineering (needed in most cases)
• Design
• Product
• QA (automation tests are required to pass before merging PRs but not all changes are covered by automation tests - please review if QA is needed beyond automation tests)
• Security
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• Management (please specify)
• Other (please specify)

References

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[chloeYue]

Same error on this flaky test:

Custom network Popular Networks List when the network details validation toggle is turned off, don't validate user inserted details

https://app.circleci.com/pipelines/github/MetaMask/metamask-extension/81074/workflows/2646fbfb-5ee6-4a3c-8fb7-bd39a5aa7e40/jobs/2871100/tests