Fix the unless for test cases on ensure_package and ensure_resource

Conflicts:
	spec/acceptance/ensure_packages_spec.rb
	spec/acceptance/ensure_resource_spec.rb
Merge pull request #353 from cyberious/WindowsTestIsolationFix

Fix the unless for test cases on ensure_package and ensure_resource
Merge branch '4.3.x'

Conflicts:
	spec/acceptance/ensure_packages_spec.rb
	spec/acceptance/ensure_resource_spec.rb