diff --git a/sample-files b/sample-files
index 65e2d2ca8..0c3b1d387 160000
--- a/sample-files
+++ b/sample-files
@@ -1 +1 @@
-Subproject commit 65e2d2ca8a137bfb1807b9991d5ca97f90365cc3
+Subproject commit 0c3b1d3879c5cd7d913b3d931fa33b37529d7346
diff --git a/tests/test_utils.py b/tests/test_utils.py
index abb022db5..3ae80bddb 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -221,8 +221,8 @@ def test_read_block_backwards_exception():
 
 def test_deprecation_bookmark():
     @deprecation_bookmark(old_param="new_param")
-    def foo(old_param: int = 1, baz: int = 2) -> float:
-        return old_param * baz
+    def foo(old_param: int = 1, baz: int = 2) -> None:
+        pass
 
     with pytest.raises(DeprecationError) as exc:
         foo(old_param=12, new_param=13)
diff --git a/tests/test_xmp.py b/tests/test_xmp.py
index 50555b476..cfcf02111 100644
--- a/tests/test_xmp.py
+++ b/tests/test_xmp.py
@@ -15,6 +15,26 @@
 TESTS_ROOT = Path(__file__).parent.resolve()
 PROJECT_ROOT = TESTS_ROOT.parent
 RESOURCE_ROOT = PROJECT_ROOT / "resources"
+SAMPLE_ROOT = Path(PROJECT_ROOT) / "sample-files"
+
+
+@pytest.mark.samples()
+@pytest.mark.parametrize(
+    "src",
+    [
+        (SAMPLE_ROOT / "020-xmp/output_with_metadata_pymupdf.pdf"),
+    ],
+)
+def test_read_xmp_metadata_samples(src):
+    reader = PdfReader(src)
+    xmp = reader.xmp_metadata
+    assert xmp
+    assert xmp.dc_contributor == []
+    assert xmp.dc_creator == ["John Doe"]
+    assert xmp.dc_source == "Martin Thoma"  # attribute node
+    assert xmp.dc_description == {"x-default": "This is a text"}
+    assert xmp.dc_date == [datetime(1990, 4, 28, 0, 0)]
+    assert xmp.dc_title == {"x-default": "Sample PDF with XMP Metadata"}
 
 
 @pytest.mark.parametrize(