chore: enable 2019.04.24 VHD images

[jackfrancis]

Reason for Change:

Includes the introduction of some new tests to validate recently introduced CIS-related configuration built into the VHD.

Issue Fixed:

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Notes:

[mboersma]

/lgtm pending e2e success

[acs-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jackfrancis, mboersma

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[codecov]

Codecov Report

Merging #1165 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1165   +/-   ##
=======================================
  Coverage   74.71%   74.71%           
=======================================
  Files         129      129           
  Lines       18385    18385           
=======================================
  Hits        13736    13736           
  Misses       3856     3856           
  Partials      793      793