in tuf/testutil/util.go [52:61]
func IsErrorEqualOrContains(err error, subErr error) bool {
if err == nil && subErr == nil {
return true // Return true Both of them are nil
} else if err == nil || subErr == nil {
return false // Return false if either of them are nil
} else if strings.Contains(err.Error(), subErr.Error()) {
return true // Return true if Messages are equal
}
return false // Return false
}