Add async fixture test

resources/fixture/async_fixture.rs

@@ -0,0 +1,16 @@
+use rstest::*;
+
+#[fixture]
+async fn async_u32() -> u32 {
+    42
+}
+
+#[rstest]
+async fn default_is_async() {
+    assert_eq!(42, async_u32::default().await);
+}
+
+#[rstest]
+async fn use_async_fixture(async_u32: u32) {
+    assert_eq!(42, async_u32);
+}

tests/fixture/mod.rs

@@ -83,6 +83,19 @@ mod should {
         }
     }
 
+    #[test]
+    fn resolve_async_fixture() {
+        let prj = prj("async_fixture.rs");
+        prj.add_dependency("async-std", r#"{version="*", features=["attributes"]}"#);
+
+        let output = prj.run_tests().unwrap();
+
+        TestResults::new()
+            .ok("default_is_async")
+            .ok("use_async_fixture")
+            .assert(output);
+    }
+
     #[test]
     fn resolve_fixture_generics_by_fixture_input() {
         let (output, _) = run_test("resolve.rs");