`Invoke_Pester_Tests_v4`: Fix using hashtable with PesterScript

[johlju]

Pull Request

Pull Request (PR) description

Fixed

• Task Invoke_Pester_Tests_v4
  • It now once again works using a hashtable together with parameter PesterScript (issue #303).

Task list

• [x] The PR represents a single logical change. i.e. Cosmetic updates should go in different PRs.
• [ ] Added an entry under the Unreleased section of in the CHANGELOG.md as per format.
• [x] Local clean build passes without issue or fail tests (build.ps1 -ResolveDependency).
• [ ] 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.
• [x] New/changed code adheres to DSC Resource Style Guidelines and Best Practices.

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This change is 

[codecov[bot]]

Codecov Report

Merging #304 (09dcd89) into main (a8cd708) will decrease coverage by 0%. The diff coverage is 0%.

@@         Coverage Diff         @@
##           main   #304   +/-   ##
===================================
- Coverage    28%    28%   -1%     
===================================
  Files        38     38           
  Lines      1920   1925    +5     
===================================
  Hits        555    555           
- Misses     1365   1370    +5     

Impacted Files	Coverage Δ
.build/tasks/Invoke-Pester.pester.build.ps1	0% <0%> (ø)