Update tests

src/c/parse.rs

@@ -5,6 +5,7 @@ use lang_c::ast::*;
 use lang_c::driver::{parse, Config, Error as ParseError};
 use lang_c::span::Node;
 
+use crate::utils::AssertSupported;
 use crate::Translate;
 
 #[derive(Debug)]
@@ -31,10 +32,6 @@ impl<P: AsRef<Path>> Translate<P> for Parse {
     }
 }
 
-trait AssertSupported {
-    fn assert_supported(&self);
-}
-
 impl<T: AssertSupported> AssertSupported for Node<T> {
     fn assert_supported(&self) {
         self.node.assert_supported();