Create test-post for use on blogs

[grettke]

Description

Create test-post content for users to verify Org2Blog features work on their WordPress instance.

Prerequisites

• Did you study the README and learn how the existing Org2Blog features work?
• [X ] Did you review the issue tracker to see if this FR already
  exists or is resolved?
• [X ] Have you reviewed the FUTURE file to see if the FR already exists?

Good Documentation

Are you willing to write new or refine the existing documentation as this feature request moves through its lifecycle?

Please choose one of the following:

• Yes.
• No. Please provide an explanation why.

Type of FR

• Brand New Feature
• Change Existing Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

Describe the solution you'd like

It is easier and faster to verify Org2Bog is working on your blog when you can review all the features in a single post.

Make the post self-documenting by using as many features as possible.

Describe alternatives you've considered

Unit tests.

Screenshots & User Interface Mockups

NA

Additional context

NA