Lee gregory12d patch 1

[LeeGregory12d]

ATTENTION: This template provides structure for

• a general pull request and
• a specific pull request in scope of IFC4.3 validation work within IFC Infrastructure Extension Deployment project.
  Please fill in the corresponding section(s) and delete the rest.

General pull request

Fixes # . reference the issue fixed through this pull request

Changes and improvements proposed by this pull request

• list all functions / files / changes you have made

Use @[username] to gain attention by potential reviewers.

IFC4.3 Unit test

Unit test

provide a short description

Review requested

• List all functions/concepts/entities you have added/changed/improved

@pjanck

Link to external documentation

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Instructions

• provide a descriptive title

Added new UT with supporting documentation
Expanded UT with ...
Corrected / Amended / Updated ...

• prepend the title with [UT] <title> to enable easier management
• mark as WIP if work in progress

WIP: [UT] <title>

• label the pull request with infra depl
• please set at least @pjanck as a reviewer and add others as needed
• delete this section

[pjanck]

LFTM.