Add spec tests to validate 2.6 config changes.
Add spec tests to validate 2.6 config changes.

craigcarnell/puppet-redis,hypernova2002/puppet-redis,zapier/puppet-redis,zapier/puppet-redis,craigcarnell/puppet-redis,hypernova2002/puppet-redis,tiredpixel/puppet-redis,tiredpixel/puppet-redis,hypernova2002/puppet-redis,craigcarnell/puppet-redis,thomasvandoren/puppet-redis,zapier/puppet-redis,tiredpixel/puppet-redis