Finally get rid of all the &'i str

1 files changed, 3 insertions, 2 deletions

diff --git a/dhall/tests/macros.rs b/dhall/tests/macros.rs
index a126d5b..619742e 100644
--- a/dhall/tests/macros.rs
+++ b/dhall/tests/macros.rs
@@ -80,10 +80,11 @@ pub enum ExpectedResult {
 pub fn read_dhall_file<'i>(
     file_path: &str,
     mut buffer: &'i mut String,
-) -> Result<Box<Expr<'i, X, Import>>, ParseError> {
+) -> Result<Box<Expr_<String, X, Import>>, ParseError> {
     let mut file = File::open(&file_path).unwrap();
     file.read_to_string(&mut buffer).unwrap();
-    parser::parse_expr(&*buffer)
+    let expr = parser::parse_expr(&*buffer)?;
+    Ok(Box::new(expr.take_ownership_of_labels()))
 }
 
 pub fn run_test(base_path: &str, feature: Feature, expected: ExpectedResult) {