Fix ui tests

Author: taiki-e

futures/testcrate/ui/bad-item-type.stderr

@@ -11,17 +11,41 @@ error[E0308]: mismatched types
               found type `{integer}`
 
 error[E0698]: type inside generator must be known in this context
- --> $DIR/bad-item-type.rs:5:1
+ --> $DIR/bad-item-type.rs:7:9
   |
-5 | #[async_stream(item = Option<i32>)]
-  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for `{integer}`
+7 |     let val = Some(42);
+  |         ^^^ cannot infer type for `{integer}`
   |
 note: the type is part of the generator because of this `yield`
  --> $DIR/bad-item-type.rs:5:1
   |
 5 | #[async_stream(item = Option<i32>)]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error[E0698]: type inside generator must be known in this context
+  --> $DIR/bad-item-type.rs:12:9
+   |
+12 |     let val = val.unwrap();
+   |         ^^^ cannot infer type for `{integer}`
+   |
+note: the type is part of the generator because of this `yield`
+  --> $DIR/bad-item-type.rs:5:1
+   |
+5  | #[async_stream(item = Option<i32>)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0698]: type inside generator must be known in this context
+  --> $DIR/bad-item-type.rs:13:11
+   |
+13 |     yield val;
+   |           ^^^ cannot infer type for `{integer}`
+   |
+note: the type is part of the generator because of this `yield`
+  --> $DIR/bad-item-type.rs:5:1
+   |
+5  | #[async_stream(item = Option<i32>)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
 error[E0308]: mismatched types
   --> $DIR/bad-item-type.rs:21:11
    |
@@ -53,7 +77,55 @@ note: the type is part of the generator because of this `yield`
 16 | #[async_stream(item = (i32, i32))]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: aborting due to 5 previous errors
+error[E0698]: type inside generator must be known in this context
+  --> $DIR/bad-item-type.rs:19:15
+   |
+19 |         yield 3;
+   |               ^ cannot infer type for `{integer}`
+   |
+note: the type is part of the generator because of this `yield`
+  --> $DIR/bad-item-type.rs:16:1
+   |
+16 | #[async_stream(item = (i32, i32))]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0698]: type inside generator must be known in this context
+  --> $DIR/bad-item-type.rs:21:12
+   |
+21 |     yield (1, 2)
+   |            ^ cannot infer type for `{integer}`
+   |
+note: the type is part of the generator because of this `yield`
+  --> $DIR/bad-item-type.rs:16:1
+   |
+16 | #[async_stream(item = (i32, i32))]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0698]: type inside generator must be known in this context
+  --> $DIR/bad-item-type.rs:21:15
+   |
+21 |     yield (1, 2)
+   |               ^ cannot infer type for `{integer}`
+   |
+note: the type is part of the generator because of this `yield`
+  --> $DIR/bad-item-type.rs:16:1
+   |
+16 | #[async_stream(item = (i32, i32))]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error[E0698]: type inside generator must be known in this context
+  --> $DIR/bad-item-type.rs:21:11
+   |
+21 |     yield (1, 2)
+   |           ^^^^^^ cannot infer type for `{integer}`
+   |
+note: the type is part of the generator because of this `yield`
+  --> $DIR/bad-item-type.rs:16:1
+   |
+16 | #[async_stream(item = (i32, i32))]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 11 previous errors
 
 Some errors have detailed explanations: E0271, E0308, E0698.
 For more information about an error, try `rustc --explain E0271`.