Ensure there is no collision between different parts of the test.
Ensure there is no collision between different parts of the test.

This doesn't cause problems when running normally (with the fake etcd),
but with the real etcd, the keys are persistent, and tests can conflict.
To future-proof this, generate the key names from the name of the test.

katjoyce/certificate-transparency,eranmes/certificate-transparency,kyprizel/certificate-transparency,rep/certificate-transparency,AlCutter/certificate-transparency,Martin2112/certificate-transparency,taknira/certificate-transparency,pphaneuf/certificate-transparency,google/certificate-transparency,ksmaheshkumar/certificate-transparency,Martin2112/certificate-transparency,benlaurie/certificate-transparency,lexibrent/certificate-transparency,plietar/certificate-transparency,benlaurie/certificate-transparency,benlaurie/certificate-transparency,lexibrent/certificate-transparency,eranmes/certificate-transparency,plietar/certificate-transparency,ksmaheshkumar/certificate-transparency,ksmaheshkumar/certificate-transparency,AlCutter/certificate-transparency,Martin2112/certificate-transparency,google/certificate-transparency,katjoyce/certificate-transparency,eranmes/certificate-transparency,rep/certificate-transparency,eranmes/certificate-transparency,taknira/certificate-transparency,kyprizel/certificate-transparency,rep/certificate-transparency,plietar/certificate-transparency,AlCutter/certificate-transparency,taknira/certificate-transparency,plietar/certificate-transparency,rep/certificate-transparency,rep/certificate-transparency,benlaurie/certificate-transparency,rep/certificate-transparency,aeijdenberg/certificate-transparency,RJPercival/certificate-transparency,kyprizel/certificate-transparency,benlaurie/certificate-transparency,taknira/certificate-transparency,phad/certificate-transparency,eranmes/certificate-transparency,taknira/certificate-transparency,aeijdenberg/certificate-transparency,plietar/certificate-transparency,kyprizel/certificate-transparency,RJPercival/certificate-transparency,Martin2112/certificate-transparency,aeijdenberg/certificate-transparency,kyprizel/certificate-transparency,Martin2112/certificate-transparency,grandamp/certificate-transparency,AlCutter/certificate-transparency,Martin2112/certificate-transparency,benlaurie/certificate-transparency,grandamp/certificate-transparency,kyprizel/certificate-transparency,katjoyce/certificate-transparency,ksmaheshkumar/certificate-transparency,katjoyce/certificate-transparency,aeijdenberg/certificate-transparency,RJPercival/certificate-transparency,phad/certificate-transparency,grandamp/certificate-transparency,taknira/certificate-transparency,benlaurie/certificate-transparency,pphaneuf/certificate-transparency,AlCutter/certificate-transparency,plietar/certificate-transparency,RJPercival/certificate-transparency,phad/certificate-transparency,ksmaheshkumar/certificate-transparency,kyprizel/certificate-transparency,ksmaheshkumar/certificate-transparency,eranmes/certificate-transparency,pphaneuf/certificate-transparency,phad/certificate-transparency,grandamp/certificate-transparency,katjoyce/certificate-transparency,rep/certificate-transparency,katjoyce/certificate-transparency,lexibrent/certificate-transparency,taknira/certificate-transparency,lexibrent/certificate-transparency,katjoyce/certificate-transparency,plietar/certificate-transparency,AlCutter/certificate-transparency,google/certificate-transparency,Martin2112/certificate-transparency,aeijdenberg/certificate-transparency,ksmaheshkumar/certificate-transparency,aeijdenberg/certificate-transparency,eranmes/certificate-transparency,pphaneuf/certificate-transparency,google/certificate-transparency,aeijdenberg/certificate-transparency,AlCutter/certificate-transparency