diff --git a/Tests/test_arro3.py b/Tests/test_arro3.py
index a7c755fc2b6..b0d066de769 100644
--- a/Tests/test_arro3.py
+++ b/Tests/test_arro3.py
@@ -112,8 +112,6 @@ def test_to_array(mode: str, dtype: DataType, mask: list[int] | None) -> None:
 
     reloaded = Image.fromarrow(arr, mode, img.size)
 
-    assert reloaded
-
     assert_image_equal(img, reloaded)
 
 
@@ -150,8 +148,7 @@ def test_lifetime2() -> None:
     assert compute.sum(arr_2).as_py() > 0
     del arr_2
 
-    img2 = img.copy()
-    px = img2.load()
+    px = img.load()
     assert px  # make mypy happy
     assert isinstance(px[0, 0], int)
 
@@ -225,23 +222,18 @@ def test_fromarray(mode: str, data_tp: DataShape, mask: list[int] | None) -> Non
 
 
 @pytest.mark.parametrize(
-    "mode, data_tp, mask",
+    "mode, mask",
     (
-        ("LA", UINT32, [0, 3]),
-        ("RGB", UINT32, [0, 1, 2]),
-        ("RGBA", UINT32, None),
-        ("CMYK", UINT32, None),
-        ("YCbCr", UINT32, [0, 1, 2]),
-        ("HSV", UINT32, [0, 1, 2]),
-        ("LA", INT32, [0, 3]),
-        ("RGB", INT32, [0, 1, 2]),
-        ("RGBA", INT32, None),
-        ("CMYK", INT32, None),
-        ("YCbCr", INT32, [0, 1, 2]),
-        ("HSV", INT32, [0, 1, 2]),
+        ("LA", [0, 3]),
+        ("RGB", [0, 1, 2]),
+        ("RGBA", None),
+        ("CMYK", None),
+        ("YCbCr", [0, 1, 2]),
+        ("HSV", [0, 1, 2]),
     ),
 )
-def test_from_int32array(mode: str, data_tp: DataShape, mask: list[int] | None) -> None:
+@pytest.mark.parametrize("data_tp", (UINT32, INT32))
+def test_from_int32array(mode: str, mask: list[int] | None, data_tp: DataShape) -> None:
     (dtype, elt, elts_per_pixel) = data_tp
 
     ct_pixels = TEST_IMAGE_SIZE[0] * TEST_IMAGE_SIZE[1]
diff --git a/Tests/test_nanoarrow.py b/Tests/test_nanoarrow.py
index b08333ae97b..a5a8ab00d2c 100644
--- a/Tests/test_nanoarrow.py
+++ b/Tests/test_nanoarrow.py
@@ -112,8 +112,6 @@ def test_to_array(mode: str, dtype: nanoarrow, mask: list[int] | None) -> None:
 
     reloaded = Image.fromarrow(arr, mode, img.size)
 
-    assert reloaded
-
     assert_image_equal(img, reloaded)
 
 
@@ -150,8 +148,7 @@ def test_lifetime2() -> None:
     assert sum(arr_2.iter_py()) > 0
     del arr_2
 
-    img2 = img.copy()
-    px = img2.load()
+    px = img.load()
     assert px  # make mypy happy
     assert isinstance(px[0, 0], int)
 
@@ -232,23 +229,18 @@ def test_fromarray(mode: str, data_tp: DataShape, mask: list[int] | None) -> Non
 
 
 @pytest.mark.parametrize(
-    "mode, data_tp, mask",
+    "mode, mask",
     (
-        ("LA", UINT32, [0, 3]),
-        ("RGB", UINT32, [0, 1, 2]),
-        ("RGBA", UINT32, None),
-        ("CMYK", UINT32, None),
-        ("YCbCr", UINT32, [0, 1, 2]),
-        ("HSV", UINT32, [0, 1, 2]),
-        ("LA", INT32, [0, 3]),
-        ("RGB", INT32, [0, 1, 2]),
-        ("RGBA", INT32, None),
-        ("CMYK", INT32, None),
-        ("YCbCr", INT32, [0, 1, 2]),
-        ("HSV", INT32, [0, 1, 2]),
+        ("LA", [0, 3]),
+        ("RGB", [0, 1, 2]),
+        ("RGBA", None),
+        ("CMYK", None),
+        ("YCbCr", [0, 1, 2]),
+        ("HSV", [0, 1, 2]),
     ),
 )
-def test_from_int32array(mode: str, data_tp: DataShape, mask: list[int] | None) -> None:
+@pytest.mark.parametrize("data_tp", (UINT32, INT32))
+def test_from_int32array(mode: str, mask: list[int] | None, data_tp: DataShape) -> None:
     (dtype, elt, elts_per_pixel) = data_tp
 
     ct_pixels = TEST_IMAGE_SIZE[0] * TEST_IMAGE_SIZE[1]