improve output for tesrt_add_weights

Author: FynnBe

tests/build_spec/test_add_weights.py

@@ -31,9 +31,11 @@ def _test_add_weights(model, tmp_path, base_weights, added_weights, **kwargs):
         assert weight.source.exists()
 
     test_res = _test_model(out_path, added_weights)
-    assert all([s["status"] == "passed" for s in test_res])
+    failed = [s for s in test_res if s["status"] != "passed"]
+    assert not failed, failed
     test_res = _test_model(out_path)
-    assert all([s["status"] == "passed" for s in test_res])
+    failed = [s for s in test_res if s["status"] != "passed"]
+    assert not failed, failed
 
     # make sure the weights were cleaned from the cwd
     assert not os.path.exists(os.path.split(weight_path)[1])