Swap diff order in tests for UI files

It was super confusing

1 files changed, 1 insertions, 1 deletions

diff --git a/dhall/src/tests.rs b/dhall/src/tests.rs
index 5bcdb1c..468d550 100644
--- a/dhall/src/tests.rs
+++ b/dhall/src/tests.rs
@@ -225,7 +225,7 @@ impl TestFile {
             if Self::force_update() {
                 self.write_ui(x)?;
             } else {
-                assert_eq_pretty_str!(msg, expected);
+                assert_eq_pretty_str!(expected, msg);
             }
         }
         Ok(())