test patched COSA

Author: dustymabe

.cci.jenkinsfile

@@ -49,7 +49,7 @@ stage("Build") {
 
 // Build FCOS and run kola tests.
 // There's some parallelization in testiso up to 8G, add 1G for overhead
-cosaPod(memory: "9Gi", cpu: "4") {
+cosaPod(memory: "9Gi", cpu: "4", image: "quay.io/dustymabe/coreos-assembler:latest") {
   stage("Build FCOS") {
     checkout scm
     unstash 'build'