Auto merge of #15157 - HKalbasi:tokio-test, r=HKalbasi

Fix runnable detection for `#[tokio::test]`

fix #15141

It is hacky, and it wouldn't work for e.g. this case:
```Rust
use ::core::prelude;

#[prelude::v1::test]
fn foo() {
}
```
But it works for the tokio case. We should use the name resolution here somehow, and after that we should probably also get rid of the ast based `test_related_attribute` function.

crates/hir-def/src/attr.rs

@@ -273,7 +273,14 @@ impl Attrs {
     }
 
     pub fn is_test(&self) -> bool {
-        self.by_key("test").exists()
+        self.iter().any(|x| {
+            x.path()
+                .segments()
+                .iter()
+                .rev()
+                .zip(["core", "prelude", "v1", "test"].iter().rev())
+                .all(|x| x.0.as_str() == Some(x.1))
+        })
     }
 
     pub fn is_ignore(&self) -> bool {