matplotlib
diff --git a/‎lib/matplotlib/tests/test_image.py
Lines changed: 10 additions & 8 deletions b/‎lib/matplotlib/tests/test_image.py
Lines changed: 10 additions & 8 deletions
diff --git a/‎test.py
Lines changed: 0 additions & 46 deletions b/‎test.py
Lines changed: 0 additions & 46 deletions
@@ -1814,14 +1814,16 @@ def test_interpolation_stage_rgba_respects_alpha_param(fig_test, fig_ref, intp_s
     axs_ref[1][0].imshow(im_rgb, alpha=array_alpha)
     axs_tst[1][1].imshow(im_rgba, interpolation_stage=intp_stage, alpha=scalar_alpha)
     axs_ref[1][1].imshow(
-        np.concatenate(  # combine rgb channels with scaled array alpha
-            (im_rgb, scalar_alpha * array_alpha.reshape((ny, nx, 1))), axis=-1
-        ), interpolation_stage=intp_stage
-    )
+        np.concatenate(
+            (im_rgb,
+             (1 - (1 - array_alpha) * (1 - scalar_alpha)).reshape((ny, nx, 1))),
+            axis=-1),
+        interpolation_stage=intp_stage)
     new_array_alpha = np.random.rand(ny, nx)
     axs_tst[1][2].imshow(im_rgba, interpolation_stage=intp_stage, alpha=new_array_alpha)
     axs_ref[1][2].imshow(
-        np.concatenate(  # combine rgb channels with new array alpha
-            (im_rgb, new_array_alpha.reshape((ny, nx, 1))), axis=-1
-        ), interpolation_stage=intp_stage
-    )
+        np.concatenate(
+            (im_rgb,
+             (1 - (1 - array_alpha) * (1 - new_array_alpha)).reshape((ny, nx, 1))),
+            axis=-1),
+        interpolation_stage=intp_stage)