Make sure that latest version of kitchen-salt is installed

	- Release of v2.0.0 cause issues with tests, freezing versions

Fixes: PROD-28745 (PROD:28745)

Change-Id: Iee15b0c95df47b41a48d38182222b2d507b6bed0
diff --git a/Gemfile b/Gemfile
index c58ebb8..68c8823 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 ruby '>=2.4.0'
 gem 'rake'
-gem 'test-kitchen'
+gem 'test-kitchen', '<2.0.0'
 if File.exist?('.kitchen.openstack.yml') then
   gem 'kitchen-openstack'
   gem 'berkshelf'
@@ -11,4 +11,4 @@
 gem 'kitchen-inspec'
 gem 'inspec', '<3.0.0'
 #Version was frozen, because of issues in the version of inspec >3.0.0 -- see https://mirantis.jira.com/browse/PROD-24324 for more info
-gem 'kitchen-salt'
+gem 'kitchen-salt', '>=0.5.0'