Updated error to be more expressive.

tests/document_test.rs

@@ -1,8 +1,11 @@
+mod support;
+
 use morethantext::{action::*, ErrorID, Include, MoreThanText, Name, Path, TestMoreThanText};
 use std::{
     sync::mpsc::{channel, RecvTimeoutError},
     time::Duration,
 };
+use support::random_name;
 use uuid::Uuid;
 
 pub static TIMEOUT: Duration = Duration::from_millis(500);
@@ -14,7 +17,7 @@ fn are_errors_produced_for_duplicate_names() {
     mtt.create_document(docdef.clone()).unwrap();
     match mtt.create_document(docdef) {
         Ok(_) => assert!(false, "should have failed"),
-        Err(err) => match err.error_id() {
+        Err(err) => match err.get_error_ids().back().unwrap() {
             ErrorID::NameAlreadyExists => {}
             _ => unreachable!("got {:?}, should be name already exists", err),
         },
@@ -24,7 +27,7 @@ fn are_errors_produced_for_duplicate_names() {
 #[test]
 fn does_document_respond_to() {
     let mut mtt = MoreThanText::new();
-    let doc_name = TestMoreThanText::random_name();
+    let doc_name = random_name();
     let mut requests: Vec<UserAction> = Vec::new();
     requests.push(Addition::new(doc_name.clone()).into());
     requests.push(Delete::new(doc_name.clone()).into());