Separate closures, async and dotuse tests in directories

Author: spastorino

tests/ui/ergonomic-clones/async/basic.rs

@@ -0,0 +1,16 @@
+//@ check-pass
+//@ edition:2018
+
+#![feature(ergonomic_clones)]
+
+use std::future::Future;
+
+fn ergonomic_clone_async_closures() -> impl Future<Output = String> {
+    let s = String::from("hi");
+
+    async use {
+        s
+    }
+}
+
+fn main() {}

tests/ui/ergonomic-clones/closure.rs renamed to tests/ui/ergonomic-clones/closure/basic.rs

@@ -1,5 +1,4 @@
 //@ check-pass
-//@ edition:2018
 
 #![feature(ergonomic_clones)]
 
@@ -41,12 +40,4 @@ fn ergonomic_clone_closure_use_cloned() -> Foo {
     f
 }
 
-fn ergonomic_clone_async_closures() -> impl Future<Output = String> {
-    let s = String::from("hi");
-
-    async use {
-        s
-    }
-}
-
 fn main() {}