[Transaction] Add transaction integration test

[gaoran10]

Motivation

Currently, the transaction is a lack of integration test for validation.

Modifications

Add transaction integration test, the test based on the mock transfer business scene.

Verifying this change

This change added tests and can be verified as follows:

• org.apache.pulsar.tests.integration.transaction.TransactionTest

Does this pull request potentially affect one of the following parts:

If yes was chosen, please highlight the changes

• Dependencies (does it add or upgrade a dependency): (no)
• The public API: (no)
• The schema: (no)
• The default values of configurations: (no)
• The wire protocol: (no)
• The rest endpoints: (no)
• The admin cli options: (no)
• Anything that affects deployment: (no)

[gaoran10]

/pulsarbot run-failure-checks