Update inline_call assist doc example

crates/test_utils/src/minicore.rs

@@ -330,6 +330,15 @@ pub mod option {
         #[lang = "Some"]
         Some(T),
     }
+
+    impl<T> Option<T> {
+        pub const fn unwrap(self) -> T {
+            match self {
+                Some(val) => val,
+                None => panic!("called `Option::unwrap()` on a `None` value"),
+            }
+        }
+    }
 }
 // endregion:option