internal: make sure macro test expand to valid syntax

crates/syntax/src/lib.rs

@@ -89,6 +89,9 @@ impl<T> Parse<T> {
     pub fn syntax_node(&self) -> SyntaxNode {
         SyntaxNode::new_root(self.green.clone())
     }
+    pub fn errors(&self) -> &[SyntaxError] {
+        &*self.errors
+    }
 }
 
 impl<T: AstNode> Parse<T> {
@@ -100,10 +103,6 @@ impl<T: AstNode> Parse<T> {
         T::cast(self.syntax_node()).unwrap()
     }
 
-    pub fn errors(&self) -> &[SyntaxError] {
-        &*self.errors
-    }
-
     pub fn ok(self) -> Result<T, Arc<Vec<SyntaxError>>> {
         if self.errors.is_empty() {
             Ok(self.tree())