CAMEL-19551: add assertions to JPA transacted tests

[gbhavya07]

Description

Addresses CAMEL-19551 by adding explicit assertions to JPA transacted tests that previously executed routes without verifying any observable outcome.

The following tests did not contain assertions:

• testTransactedMulticast
• testTransactedRecipientList
• testTransactedEnrich

Each test now verifies that the expected entities are persisted in the database after route execution using assertEntityInDB(2).

This improves test clarity and aligns the tests with the goal of CAMEL-19551, ensuring tests contain meaningful assertions rather than only executing code paths.

This is a test-only change and does not modify component behavior.

Validation:

Ran:

./mvnw -pl components/camel-jpa -Dtest=JpaTransactedTest test

Results:

• Tests run: 4
• Failures: 0
• Errors: 0

Target

• I checked that the commit is targeting the correct branch (Camel 4 uses the main branch)

Tracking

• JIRA issue: CAMEL-19551

Apache Camel coding standards and style

• I checked that each commit in the pull request has a meaningful subject line and body.

• I ran the relevant module tests locally and verified they pass.

[github-actions]

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[github-actions]

🧪 CI tested the following changed modules:

• components/camel-jpa

⚠️ Some tests are disabled on GitHub Actions (@DisabledIfSystemProperty(named = "ci.env.name")) and require manual verification:

• components/camel-jpa: 3 test(s) disabled on GitHub Actions

All tested modules (8 modules)

• Camel :: JBang :: MCP
• Camel :: JBang :: Plugin :: Route Parser
• Camel :: JBang :: Plugin :: TUI
• Camel :: JBang :: Plugin :: Validate
• Camel :: JPA
• Camel :: Launcher :: Container
• Camel :: YAML DSL :: Validator
• Camel :: YAML DSL :: Validator Maven Plugin

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