Removed warnings from document tests.

tests/document_test.rs

@@ -1,18 +1,14 @@
 mod support;
 
 use morethantext::{action::*, ErrorID, Include, MoreThanText, Name, Path, TestMoreThanText};
-use std::{
-    sync::mpsc::{channel, RecvTimeoutError},
-    time::Duration,
-};
+use std::{sync::mpsc::RecvTimeoutError, time::Duration};
 use support::random_name;
-use uuid::Uuid;
 
 pub static TIMEOUT: Duration = Duration::from_millis(500);
 
 #[test]
 fn are_errors_produced_for_duplicate_names() {
-    let mut mtt = MoreThanText::new();
+    let mtt = MoreThanText::new();
     let client = mtt.client();
     let docdef = DocDef::new(Name::english("duplicate"));
     client.create_document(docdef.clone()).unwrap();
@@ -27,7 +23,7 @@ fn are_errors_produced_for_duplicate_names() {
 
 #[test]
 fn does_document_respond_to() {
-    let mut mtt = MoreThanText::new();
+    let mtt = MoreThanText::new();
     let client = mtt.client();
     let doc_name = random_name();
     let mut requests: Vec<ClientAction> = Vec::new();
@@ -46,7 +42,7 @@ fn does_document_respond_to() {
 #[test]
 fn does_document_ignore_other_document_requests() {
     let mut test_env = TestMoreThanText::new();
-    let mut mtt = test_env.get_morethantext();
+    let mtt = test_env.get_morethantext();
     let client = mtt.client();
     let quiet = Name::english("quiet");
     let alt = Name::english("alt");