chore(deps): update testcontainers to v2

[aepfli]

.. and remove some unnecessary test annotations

[gemini-code-assist]

Summary of Changes

Hello @aepfli, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on a significant upgrade of the testcontainers library to version 2, alongside a comprehensive modernization of the test suite. The changes involve updating the core dependency in the pom.xml, migrating JUnit 4 assertions and test annotations to their JUnit 5 counterparts across multiple test files, and refining Cucumber test configurations, including the removal of @Isolated annotations. These updates aim to leverage the latest features and improvements offered by testcontainers and JUnit Jupiter, ensuring the project's testing infrastructure remains current and robust.

Highlights

• Dependency Update: The testcontainers library has been updated from version 1.21.3 to 2.0.2, including a change in the JUnit Jupiter artifact name from junit-jupiter to testcontainers-junit-jupiter.
• JUnit 4 to JUnit 5 Migration: Numerous test files have been updated to use JUnit 5 (Jupiter) assertions and annotations, replacing older JUnit 4 org.junit.Assert calls and @Test annotations with their org.junit.jupiter.api equivalents.
• Test Annotation Refinement: The @Isolated annotation has been removed from several test classes, indicating a potential adjustment in test execution strategy or compatibility with the updated testcontainers version.
• Cucumber Parallel Execution Configuration: Several Cucumber test runner files have been updated to include imports for parallel execution constants, suggesting an intent to configure or enable parallel test execution.

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[gemini-code-assist]

Code Review

This pull request successfully updates Testcontainers to v2 and cleans up some test annotations. The migration to JUnit 5 assertions and annotations is well-executed. My review includes a few suggestions:

• Removing some unused imports that were added in the test runner classes.
• Making an implicit dependency on commons-io explicit in the pom.xml to improve project robustness.

Overall, these are good improvements to the test infrastructure.

[aepfli]

/gemini review

[gemini-code-assist]

Code Review

This pull request successfully updates Testcontainers to version 2, which includes updating related dependencies and migrating to JUnit 5 assertions. The changes also remove some test annotations. My review includes a suggestion to improve the maintainability of the pom.xml by using a property for the Testcontainers version. I've also raised a concern about the removal of the @Isolated annotation, which could potentially lead to test flakiness due to shared static state in tests, and should be carefully considered.