if strings.HasPrefix(name, "mount") {
		return false, nil
	}
	if strings.HasPrefix(name, "err") {
		return false, errors.New("mock error")
	}
	return true, nil
}

func TestRemoveAllOneFilesystem(t *testing.T) {
	tests := []struct {
		name string
		// Items of the test directory. Directories end with "/".
		// Directories starting with "mount" are considered to be mount points.