keep .minikube for tests

Author: r2d4

hack/jenkins/common.sh

@@ -63,8 +63,6 @@ chmod +x out/minikube-${OS_ARCH}
 MINIKUBE_WANTREPORTERRORPROMPT=False sudo ./out/minikube-${OS_ARCH} delete \
 || MINIKUBE_WANTREPORTERRORPROMPT=False ./out/minikube-${OS_ARCH} delete \
 || true
-sudo rm -rf $HOME/.minikube || true
-sudo rm -rf $HOME/.kube || true
 
 # See the default image
 ./out/minikube-${OS_ARCH} start -h | grep iso