WCM-106 Integration tests for Device Rules
WCM-106 simulate request
WCM-106 Fix test dependencies

Add spring-test as runtime dependency for tests
WCM-106 Fix Mock class

This class must be included in src and not in tests, since only /classes is included as resource of this module.
Dimensions cannot be null to prevent NPE in SimpleRuleHandler
WCM-106 Make test consistent