Fix custom account config flow setup

[rjmarques]

Proposed change

The Ovo Energy integration was not working when a user has access to more than 1 account. In particular, the code was incorrectly assigning the custom_account_id value in the client to True rather than the actual ID value because of incorrect use of an assigment expression. Additionally, the tests were not asserting on the account being set as part of the config flow.

The error trace I was seeing matches the one in: #119854. So I believe this PR also should address that issue.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes OVO Energy Integration not working - Fail to setup #119854
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
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[home-assistant]

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[home-assistant]

Please take a look at the requested changes, and use the Ready for review button when you are done, thanks 👍

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[home-assistant]

Hey there @timmo001, mind taking a look at this pull request as it has been labeled with an integration (ovo_energy) you are listed as a code owner for? Thanks!

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[home-assistant]

Hi @rjmarques

It seems you haven't yet signed a CLA. Please do so here.

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Thanks!

Stale

[frenck]

Thanks, @rjmarques 👍

../Frenck