Move to new testing suite names

This commit is just moving the tests to their new names. The config,
packge and issue test suites have been removed and the tests from these
will be incorporated into the oss and xpack tests.

oss: Standard elasticsearch-oss role with idempotency test

oss-upgrade: Upgrade from previous minor version oss to current minor version oss

oss-to-xpack-upgrade: Upgrade from previous minor version oss to current minor version xpack

xpack: Standard elasticsearch (with xpack) role with idempotency test

xpack-upgrade: Upgrade from previous minor version xpack to current minor version xpack

multi: Tests multiple instances of elasticsearch on a single machine

test/integration/xpack-upgrade/serverspec/default_spec.rb

@@ -0,0 +1,7 @@
+require 'xpack_upgrade_spec'
+require 'json'
+vars = JSON.parse(File.read('/tmp/vars.json'))
+
+describe 'Xpack upgrade Tests' do
+  include_examples 'xpack_upgrade::init', vars
+end

test/integration/xpack-upgrade/xpack-upgrade.yml

@@ -0,0 +1,2 @@
+---
+- host: test-kitchen