expectedTeardownMounts        int
}

// doTestPlugin sets up a volume and tears it back down.
func doTestPlugin(t *testing.T, config pluginTestConfig) {
	basePath, err := utiltesting.MkTmpdir("emptydir_volume_test")
	if err != nil {
		t.Fatalf("can't make a temp rootdir: %v", err)
	}
	defer os.RemoveAll(basePath)

	var (