err:     missingFolderError,
		},
	}
	for _, c := range cases {
		t.Run(c.desc, func(t *testing.T) {
			c.run(t, &utilfs.DefaultFs{})
		})
	}
}

func TestFileExists(t *testing.T) {
	fn := func(fs utilfs.Filesystem, dir string, c *test) []error {
		ok, err := FileExists(fs, filepath.Join(dir, "foo"))
		if err != nil {
			return []error{err}
		}
		if !ok {