loading custom classes with using module statements

[bganapa]

Description

loading custom classes with using module statements

Checklist

• I have read the Submitting Changes section of CONTRIBUTING.md
• The title of the PR is clear and informative
• The appropriate change log has been updated
• The PR does not introduce breaking changes
• If applicable, the changes made in the PR have proper test coverage
• For public API changes to cmdlets:
  • the changes have gone through a cmdlet design review
  • the cmdlet markdown files were generated using the platyPS module

[bganapa]

ps-sign - https://azuresdkci.westus2.cloudapp.azure.com/view/PowerShell/job/ps-sign/1224/

[deathly809]

Looks good to me. I wonder if it would be best if in the future we move to just PSCustomObjects so that this will always work. Of course we cannot add PSCustomObject to the format XML files, but these we can if we want to do formatting.

[bganapa]

@maddieclayton This should be good to merge. ps-sign is successful, we have verified the chnages manually as well