Convert the last batch of Mockito/Java tests to Kotlin/MockK

[jamesonwilliams]

Contributor checklist

• I am following the Code Style Guidelines
• I have tested my contribution on these devices:

• M3 MacBook Pro

• My contribution is fully baked and ready to be merged as is
• I ensure that all the open issues my contribution fixes are mentioned in the commit message of my first commit using the Fixes #1234 syntax

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Description

This migrates the last batch of Java tests using Mockito towards Kotlin/MockK. After this, some Kotlin tests still use Mockito, but there are no more Java tests that use Mockito.

• CallParticipantListUpdateTest
• UnarchivedConversationListDataSourceTest
• JobManagerFactoriesTest
• RecipientIdCacheTest
• StorageSyncHelperTest
• SecureRandomTestUtil

Testing

./gradlew qa still passes

[greyson-signal]

Awesome, thank you! Honestly Mockito is one of the biggest annoyances I run into when having to update code with older tests. This is a big help, and it'll be great when we can remove it altogether!

[jamesonwilliams]

it'll be great when we can remove it altogether!

Awesome, I'll keep hunting down this goal, then; there's only a few dozen Kotlin tests left using Mockito. I can probably get rid of it within a few more batched migration PRs