Add support for 2d and 3d indices for axis 1

* Resolves COMPMID-5055

Change-Id: I2d14de29d3ec913d20c971bc8bbc9ad71e2d998f
Signed-off-by: Pablo Marquez Tello <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/7547
Reviewed-by: SiCong Li <sicong.li@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/datasets/GatherDataset.h b/tests/datasets/GatherDataset.h
index 444b62c..8fec544 100644
--- a/tests/datasets/GatherDataset.h
+++ b/tests/datasets/GatherDataset.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2022 Arm Limited.
+ * Copyright (c) 2018-2019, 2022 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -106,6 +106,19 @@
     std::vector<int>         _axis{};
 };
 
+class SmallGatherMultiDimIndicesDataset final : public GatherDataset
+{
+public:
+    SmallGatherMultiDimIndicesDataset()
+    {
+        add_config(TensorShape(2U, 6U), TensorShape(4U, 9U), 1);
+        add_config(TensorShape(15U, 15U), TensorShape(3U, 2U, 2U), 1);
+        add_config(TensorShape(15U, 15U), TensorShape(2U, 11U), 1);
+        add_config(TensorShape(5U, 3U, 4U), TensorShape(2U, 7U), 1);
+        add_config(TensorShape(1U, 5U, 3U), TensorShape(1U, 7U, 3U), 1);
+    }
+};
+
 class SmallGatherDataset final : public GatherDataset
 {
 public: