diff --git a/Tests/test_file_libtiff.py b/Tests/test_file_libtiff.py
index 1109cd15e..6e111ebfc 100644
--- a/Tests/test_file_libtiff.py
+++ b/Tests/test_file_libtiff.py
@@ -1067,3 +1067,21 @@ class TestFileLibTiff(LibTiffTestCase):
         out = str(tmp_path / "temp.tif")
         with pytest.raises(SystemError):
             im.save(out, compression=compression)
+
+    @pytest.mark.parametrize(
+        "path, sizes",
+        (
+            ("Tests/images/hopper.tif", ()),
+            ("Tests/images/child_ifd.tiff", (16, 8)),
+            ("Tests/images/child_ifd_jpeg.tiff", (20,)),
+        ),
+    )
+    def test_get_child_images(self, path, sizes):
+        with Image.open(path) as im:
+            ims = im.get_child_images()
+
+        assert len(ims) == len(sizes)
+        for i, im in enumerate(ims):
+            w = sizes[i]
+            expected = Image.new("RGB", (w, w), "#f00")
+            assert_image_similar(im, expected, 1)
diff --git a/Tests/test_file_tiff.py b/Tests/test_file_tiff.py
index 4f3c8e390..96db4cb5e 100644
--- a/Tests/test_file_tiff.py
+++ b/Tests/test_file_tiff.py
@@ -84,24 +84,6 @@ class TestFileTiff:
             with Image.open("Tests/images/multipage.tiff") as im:
                 im.load()
 
-    @pytest.mark.parametrize(
-        "path, sizes",
-        (
-            ("Tests/images/hopper.tif", ()),
-            ("Tests/images/child_ifd.tiff", (16, 8)),
-            ("Tests/images/child_ifd_jpeg.tiff", (20,)),
-        ),
-    )
-    def test_get_child_images(self, path, sizes):
-        with Image.open(path) as im:
-            ims = im.get_child_images()
-
-        assert len(ims) == len(sizes)
-        for i, im in enumerate(ims):
-            w = sizes[i]
-            expected = Image.new("RGB", (w, w), "#f00")
-            assert_image_similar(im, expected, 1)
-
     def test_mac_tiff(self):
         # Read RGBa images from macOS [@PIL136]