Move main to top of tests

Author: RuairidhWilliamson

tests/ui/anon_trait_import.fixed

@@ -1,6 +1,8 @@
 #![allow(unused)]
 #![warn(clippy::anon_trait_import)]
 
+fn main() {}
+
 fn bad() {
     use std::any::Any as _;
 
@@ -159,5 +161,3 @@ mod nested_mod_used_good5 {
         }
     }
 }
-
-fn main() {}

tests/ui/anon_trait_import.rs

@@ -1,6 +1,8 @@
 #![allow(unused)]
 #![warn(clippy::anon_trait_import)]
 
+fn main() {}
+
 fn bad() {
     use std::any::Any;
 
@@ -159,5 +161,3 @@ mod nested_mod_used_good5 {
         }
     }
 }
-
-fn main() {}

tests/ui/anon_trait_import.stderr

@@ -1,5 +1,5 @@
 error: importing trait that is only used anonymously
-  --> tests/ui/anon_trait_import.rs:5:19
+  --> tests/ui/anon_trait_import.rs:7:19
    |
 LL |     use std::any::Any;
    |                   ^^^ help: use: `Any as _`
@@ -8,37 +8,37 @@ LL |     use std::any::Any;
    = help: to override `-D warnings` add `#[allow(clippy::anon_trait_import)]`
 
 error: importing trait that is only used anonymously
-  --> tests/ui/anon_trait_import.rs:24:26
+  --> tests/ui/anon_trait_import.rs:26:26
    |
 LL |     use std::any::{self, Any, TypeId};
    |                          ^^^ help: use: `Any as _`
 
 error: importing trait that is only used anonymously
-  --> tests/ui/anon_trait_import.rs:36:19
+  --> tests/ui/anon_trait_import.rs:38:19
    |
 LL |     use std::any::Any as MyAny;
    |                   ^^^^^^^^^^^^ help: use: `Any as _`
 
 error: importing trait that is only used anonymously
-  --> tests/ui/anon_trait_import.rs:42:20
+  --> tests/ui/anon_trait_import.rs:44:20
    |
 LL |     use std::any::{Any as MyAny, TypeId as MyTypeId};
    |                    ^^^^^^^^^^^^ help: use: `Any as _`
 
 error: importing trait that is only used anonymously
-  --> tests/ui/anon_trait_import.rs:65:23
+  --> tests/ui/anon_trait_import.rs:67:23
    |
 LL |         use std::any::Any;
    |                       ^^^ help: use: `Any as _`
 
 error: importing trait that is only used anonymously
-  --> tests/ui/anon_trait_import.rs:106:19
+  --> tests/ui/anon_trait_import.rs:108:19
    |
 LL |     use std::any::Any;
    |                   ^^^ help: use: `Any as _`
 
 error: importing trait that is only used anonymously
-  --> tests/ui/anon_trait_import.rs:125:19
+  --> tests/ui/anon_trait_import.rs:127:19
    |
 LL |     use std::any::Any;
    |                   ^^^ help: use: `Any as _`