Add Integration Tests for All Resource Modules

[mhendric]

Pull Request (PR) description

Add Integration Tests for All Resource Modules

This Pull Request (PR) fixes the following issues

• Fixes Migrate Tests from Test-xBitlocker.ps1 to an Appropriate Integration Test Template #32

Task list

• Added an entry under the Unreleased section of the change log in the README.md.
  Entry should say what was changed, and how that affects users (if applicable).
• Resource documentation added/updated in README.md.
• Resource parameter descriptions added/updated in README.md, schema.mof
  and comment-based help.
• Comment-based help added/updated.
• Localization strings added/updated in all localization files as appropriate.
• Examples appropriately added/updated.
• Unit tests added/updated. See DSC Resource Testing Guidelines.
• Integration tests added/updated (where possible). See DSC Resource Testing Guidelines.
• New/changed code adheres to DSC Resource Style Guidelines and Best Practices.

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This change is 

[codecov-io]

Codecov Report

Merging #41 into dev will decrease coverage by 12.5%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##            dev     #41      +/-   ##
=======================================
- Coverage   100%   87.5%   -12.5%     
=======================================
  Files         3       3              
  Lines        96      96              
=======================================
- Hits         96      84      -12     
- Misses        0      12      +12

Impacted Files	Coverage Δ
...Resources/MSFT_xBLBitlocker/MSFT_xBLBitlocker.psm1	7.69% <0%> (-92.31%)	⬇️

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