Fixes Redis tests when redis not installed
Fixes Redis tests when redis not installed

Elastica/kombu,bmbouter/kombu,alex/kombu,jindongh/kombu,ZoranPavlovic/kombu,iris-edu-int/kombu,daevaorn/kombu,daevaorn/kombu,mverrilli/kombu,cce/kombu,bmbouter/kombu,xujun10110/kombu,mathom/kombu,numb3r3/kombu,alex/kombu,tkanemoto/kombu,mathom/kombu,depop/kombu,ZoranPavlovic/kombu,tkanemoto/kombu,romank0/kombu,xujun10110/kombu,iris-edu-int/kombu,urbn/kombu,jindongh/kombu,mverrilli/kombu,romank0/kombu,cce/kombu,depop/kombu,numb3r3/kombu,Elastica/kombu,andresriancho/kombu,celery/kombu,andresriancho/kombu