COMPMID-1667: Add 4D tensors support to CLWidthConcatenateLayerKernel

Change-Id: Ibc0b1242804c2fdb183825406e3c78bd0d1d3564
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/154368
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: bsgcomp <bsgcomp@arm.com>
diff --git a/tests/datasets/ShapeDatasets.h b/tests/datasets/ShapeDatasets.h
index 483fada..ffacf34 100644
--- a/tests/datasets/ShapeDatasets.h
+++ b/tests/datasets/ShapeDatasets.h
@@ -730,7 +730,8 @@
     {
         TensorShape{ 232U, 65U, 3U },
                      TensorShape{ 432U, 65U, 3U },
-                     TensorShape{ 124U, 65U, 3U }
+                     TensorShape{ 124U, 65U, 3U },
+                     TensorShape{ 124U, 65U, 3U, 4U }
     })
     {
     }