Add: Test cases for issue 129

Signed-off-by: Mark Van de Vyver <[email protected]>

Author: taqtiqa-mark

minitrace-macro/tests/expand/issues/129.expanded.rs

@@ -0,0 +1,4 @@
+#[trace]
+async fn empty_async() {}
+#[trace]
+fn empty_sync() {}

minitrace-macro/tests/expand/issues/129.rs

@@ -0,0 +1,5 @@
+#[trace]
+async fn empty_async() {}
+
+#[trace]
+fn empty_sync() {}