GH-157: expose a timeout configurable pollJournalForEvents method

[nicdard]

Description

Adding a new overload for method pollJournalForEvents which accepts a timeout in millis as parameter, maintaining also the default 2 minutes method that was already implemented.

Related Issue

Solves: #157

Motivation and Context

To load test the application, we might require to enlarge the timeout to retrieve multiple events from the Journal.

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.