Update tests based on feedback

src/test/ui/async-await/in-trait/async-example.rs

@@ -6,12 +6,27 @@
 
 trait MyTrait {
     async fn foo(&self) -> i32;
+    async fn bar(&self) -> i32;
 }
 
 impl MyTrait for i32 {
     async fn foo(&self) -> i32 {
         *self
     }
+
+    async fn bar(&self) -> i32 {
+        self.foo().await
+    }
 }
 
-fn main() {}
+fn main() {
+    let x = 5;
+    // Calling from non-async context
+    let _ = x.foo();
+    let _ = x.bar();
+    // Calling from async block in non-async context
+    async {
+        let _ = x.foo();
+        let _ = x.bar();
+    };
+}