Revert "[JENKINS-17337] Added test for NPE.(cherry picked from commit 1bf958afb196d0c56b37f00681027a549d0c9189)"

This reverts commit 18b5f4f13377349b1c249c2f62d11966c5b7dd9d.
It looks like this change depends on other test harness related changes.
It doesn't build on this branch.
[maven-release-plugin] prepare release jenkins-1.508
[maven-release-plugin] prepare for next development iteration
updated changelog for release
updated changelog as a part of the release