Change tests to use self instead of mod in use items

Author: nrc

src/test/compile-fail/use-mod-2.rs

@@ -9,10 +9,10 @@
 // except according to those terms.
 
 mod foo {
-    use self::{mod};
+    use self::{self};
     //~^ ERROR unresolved import `self`. There is no `self` in `???`
 
-    use super::{mod};
+    use super::{self};
     //~^ ERROR unresolved import `super`. There is no `super` in `???`
 }
 

src/test/compile-fail/use-mod-3.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 use foo::bar::{
-    mod //~ ERROR module `bar` is private
+    self //~ ERROR module `bar` is private
 };
 use foo::bar::{
     Bar //~ ERROR type `Bar` is inaccessible

src/test/compile-fail/use-mod.rs

@@ -9,18 +9,18 @@
 // except according to those terms.
 
 use foo::bar::{
-    mod,
-//~^ ERROR `mod` import can only appear once in the list
+    self,
+//~^ ERROR `self` import can only appear once in the list
     Bar,
-    mod
-//~^ NOTE another `mod` import appears here
+    self
+//~^ NOTE another `self` import appears here
 };
 
-use {mod};
-//~^ ERROR `mod` import can only appear in an import list with a non-empty prefix
+use {self};
+//~^ ERROR `self` import can only appear in an import list with a non-empty prefix
 
-use foo::mod;
-//~^ ERROR `mod` imports are only allowed within a { } list
+use foo::self;
+//~^ ERROR `self` imports are only allowed within a { } list
 
 mod foo {
     pub mod bar {

src/test/run-pass/issue-2804.rs

@@ -13,7 +13,7 @@ extern crate collections;
 extern crate serialize;
 
 use std::collections::HashMap;
-use serialize::json::{mod, Json};
+use serialize::json::{self, Json};
 use std::option;
 
 enum object {

src/test/run-pass/use-mod.rs

@@ -8,11 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-pub use foo::bar::{mod, First};
+pub use foo::bar::{self, First};
 use self::bar::Second;
 
 mod foo {
-    pub use self::bar::baz::{mod};
+    pub use self::bar::baz::{self};
 
     pub mod bar {
         pub mod baz {