SqlServerDsc: Update initializing header integration test

[johlju]

Pull Request (PR) description

• SqlServerDsc
  • Update the initializing header for all integration test to be equal to the unit tests.

This Pull Request (PR) fixes the following issues

None.

Task list

• [x] Added an entry to the change log under the Unreleased section of the file CHANGELOG.md. Entry should say what was changed and how that affects users (if applicable), and reference the issue being resolved (if applicable).
• [ ] Resource documentation updated in the resource's README.md.
• [ ] Resource parameter descriptions updated in schema.mof.
• [ ] Comment-based help updated, including parameter descriptions.
• [ ] Localization strings updated.
• [ ] Examples updated.
• [ ] Unit tests updated. See DSC Community Testing Guidelines.
• [x] Integration tests updated (where possible). See DSC Community Testing Guidelines.
• [x] Code changes adheres to DSC Community Style Guidelines.

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This change is 

[codecov[bot]]

Codecov Report

Merging #1864 (45f4b38) into main (67aa742) will not change coverage. The diff coverage is n/a.

:exclamation: Current head 45f4b38 differs from pull request most recent head e455079. Consider uploading reports for the commit e455079 to get more accurate results

@@         Coverage Diff          @@
##           main   #1864   +/-   ##
====================================
  Coverage    92%     92%           
====================================
  Files        85      85           
  Lines      7640    7640           
====================================
  Hits       7038    7038           
  Misses      602     602           

Flag	Coverage Δ
unit	92% <ø> (ø)