set e2e test timeout to 15 min
"cache": {
"image": true
},
+ "timeout": 900,
"services": [{
"apiVersion": "gcp.service.infrabox.net/v1alpha1",
"kind": "GKECluster",
"cache": {
"image": true
},
+ "timeout": 900,
"services": [{
"apiVersion": "gcp.service.infrabox.net/v1alpha1",
"kind": "GKECluster",
