Issue 4296 - Reuse container in DynamoDBTestBase

[patchwork01]

Make sure you have checked all steps below.

Issue

• My PR addresses the following issues and references them in the PR title. For example, "Issue 1234 - My Sleeper
  PR"
  • Resolves Reuse container in DynamoDB local tests #4296

Tests

• My PR adds the following tests OR does not need testing for this extremely good reason:
  • Covered by existing tests

Documentation

• In case of new functionality, my PR adds documentation that describes how to use it, or I have linked to a
  separate issue for that below.
• If I have added or removed any dependencies from the project, I have updated the NOTICES file.