test: adding febug logging

Author: stefan-guggisberg

test/fetch/index.test.js

@@ -336,6 +336,7 @@ testParams.forEach((params) => {
         await fetch(`${server.origin}/inspect`, { signal, method, body });
         assert.fail();
       } catch (err) {
+        console.error(err);
         assert(err instanceof AbortError);
       }
     });