Fix snapshot e2e tests

[gnufied]

should help with kubernetes-csi/external-snapshotter#1313

[xing-yang]

Thanks @gnufied. These files are automatically generated. When someone runs https://github.com/kubernetes/test-infra/blob/master/config/jobs/kubernetes-csi/gen-jobs.sh, the changes you made will be gone. I'm thinking that we should probably make changes in gen-jobs.sh instead.

[xing-yang]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gnufied, xing-yang

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[k8s-ci-robot]

@gnufied: Updated the job-config configmap in namespace default at cluster test-infra-trusted using the following files:

• key external-snapshotter-config.yaml using file config/jobs/kubernetes-csi/external-snapshotter/external-snapshotter-config.yaml

In response to this:

should help with kubernetes-csi/external-snapshotter#1313

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