From bf544be282a5c5dced9409ef68f041402b33841b Mon Sep 17 00:00:00 2001
From: Gabor Szabo <gabor@szabgab.com>
Date: Wed, 5 Mar 2025 17:33:41 +0200
Subject: [PATCH] Check content of the error message.

In missing_backends_are_fatal
---
 tests/alternative_backends.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/alternative_backends.rs b/tests/alternative_backends.rs
index 8ed92439..ecd25031 100644
--- a/tests/alternative_backends.rs
+++ b/tests/alternative_backends.rs
@@ -23,7 +23,10 @@ fn failing_alternate_backend() {
 #[test]
 fn missing_backends_are_fatal() {
     let (md, _temp) = dummy_book_with_backend("missing", "trduyvbhijnorgevfuhn", false);
-    assert!(md.build().is_err());
+    let got = md.build();
+    assert!(got.is_err());
+    let error_message = got.err().unwrap().to_string();
+    assert_eq!(error_message, "Rendering failed");
 }
 
 #[test]