macros: add build tests for #[tokio::main] and #[tokio::test] (#1591)

build-tests/tests/fail/macros_invalid_input.rs

@@ -0,0 +1,28 @@
+use build_tests::tokio;
+
+#[tokio::main]
+fn main_is_not_async() {}
+
+#[tokio::main]
+async fn main_fn_has_args(_x: u8) {}
+
+#[tokio::main(foo)]
+async fn main_attr_has_unknown_args() {}
+
+#[tokio::main(multi_thread::bar)]
+async fn main_attr_has_path_args() {}
+
+#[tokio::test]
+fn test_is_not_async() {}
+
+#[tokio::test]
+async fn test_fn_has_args(_x: u8) {}
+
+#[tokio::test(foo)]
+async fn test_attr_has_args() {}
+
+#[tokio::test]
+#[test]
+async fn test_has_second_test_attr() {}
+
+fn main() {}