Freeze inspec version for salt-formulas tests
	- in inspec >= 3.0.0 there are changes in schema
	  which require to have tests/integration dir
	  to contain tests, otherwise fails
	- this is temporary workaround until we decide
	  proper fix

Change-Id: I0b394a9f85869acf79b765fe0c9a99ba734f73e3
diff --git a/.travis.yml b/.travis.yml
index 2c2e568..18e835c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,8 @@
     gem 'test-kitchen'
     gem 'kitchen-docker'
     gem 'kitchen-inspec'
-    gem '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', :git => 'https://github.com/salt-formulas/kitchen-salt.git'
   - bundle install