fix TestFunctional/parallel/LoadImageFromFile - 2nd race condition
fix TestFunctional/parallel/LoadImageFromFile - 2nd race condition

kubernetes/minikube,warmchang/minikube,kubernetes/minikube,warmchang/minikube,kubernetes/minikube,kubernetes/minikube,warmchang/minikube,warmchang/minikube,kubernetes/minikube,kubernetes/minikube,warmchang/minikube,warmchang/minikube,warmchang/minikube,kubernetes/minikube