diff --git a/tests/validation/NEON/L2NormalizeLayer.cpp b/tests/validation/NEON/L2NormalizeLayer.cpp
index 3164a65..17147c1 100644
--- a/tests/validation/NEON/L2NormalizeLayer.cpp
+++ b/tests/validation/NEON/L2NormalizeLayer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -59,8 +59,9 @@
                                              TensorInfo(TensorShape(128U, 64U), 1, DataType::F32), // Mismatching shape input/output
                                              TensorInfo(TensorShape(128U, 64U), 2, DataType::F32), // Number of Input channels != 1
                                              TensorInfo(TensorShape(128U, 64U), 1, DataType::S16), // DataType != F32
-                                             TensorInfo(TensorShape(128U, 64U), 1, DataType::F32), // Axis >= num_max_dimensions
-                                             TensorInfo(TensorShape(128U, 64U), 1, DataType::F32), // Axis > 2
+                                             TensorInfo(TensorShape(128U, 64U), 1, DataType::F32),
+                                             TensorInfo(TensorShape(128U, 64U), 1, DataType::F32),
+                                             TensorInfo(TensorShape(128U, 64U), 1, DataType::F32),
                                              TensorInfo(TensorShape(128U, 64U), 1, DataType::F32)
                                            }),
     framework::dataset::make("OutputInfo", { TensorInfo(TensorShape(128U, 64U), 1, DataType::F16),
@@ -69,10 +70,19 @@
                                              TensorInfo(TensorShape(128U, 64U), 1, DataType::S16),
                                              TensorInfo(TensorShape(128U, 64U), 1, DataType::F32),
                                              TensorInfo(TensorShape(128U, 64U), 1, DataType::F32),
+                                             TensorInfo(TensorShape(128U, 64U), 1, DataType::F32),
                                              TensorInfo(TensorShape(128U, 64U), 1, DataType::F32)
                                            })),
-    framework::dataset::make("Axis",       { 0U, 0U, 0U, 0U, static_cast<unsigned int>(TensorShape::num_max_dimensions), 3U, 0U })),
-    framework::dataset::make("Expected",   { false, false, false, false, false, false, true })),
+    framework::dataset::make("Axis",       {
+                                            0,
+                                            0,
+                                            0,
+                                            0,
+                                            static_cast<int>(TensorShape::num_max_dimensions),
+                                            3,
+                                            -2,
+                                            0 })),
+    framework::dataset::make("Expected",   { false, false, false, false, true, true, true, true })),
     input_info, output_info, axis, expected)
 {
     bool is_valid = bool(NEL2NormalizeLayer::validate(&input_info.clone()->set_is_resizable(false),
@@ -89,7 +99,7 @@
 TEST_SUITE(FP32)
 FIXTURE_DATA_TEST_CASE(RunSmall, NEL2NormalizeLayerFixture<float>, framework::DatasetMode::PRECOMMIT,
                        combine(combine(combine(combine(datasets::SmallShapes(), framework::dataset::make("DataType", DataType::F32)), framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })),
-                                       framework::dataset::make("Axis", { 0, 1, 2 })),
+                                       framework::dataset::make("Axis", { -1, 0, 2 })),
                                framework::dataset::make("Epsilon", { 1e-12 })))
 {
     // Validate output
@@ -98,7 +108,7 @@
 
 FIXTURE_DATA_TEST_CASE(RunLarge, NEL2NormalizeLayerFixture<float>, framework::DatasetMode::NIGHTLY,
                        combine(combine(combine(combine(datasets::LargeShapes(), framework::dataset::make("DataType", DataType::F32)), framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })),
-                                       framework::dataset::make("Axis", { 0, 1, 2 })),
+                                       framework::dataset::make("Axis", { -1, 0, 2 })),
                                framework::dataset::make("Epsilon", { 1e-12 })))
 {
     // Validate output
@@ -110,7 +120,7 @@
 TEST_SUITE(FP16)
 FIXTURE_DATA_TEST_CASE(RunSmall, NEL2NormalizeLayerFixture<half>, framework::DatasetMode::PRECOMMIT,
                        combine(combine(combine(combine(datasets::SmallShapes(), framework::dataset::make("DataType", DataType::F16)), framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })),
-                                       framework::dataset::make("Axis", { 0, 1, 2 })),
+                                       framework::dataset::make("Axis", { -1, 0, 2 })),
                                framework::dataset::make("Epsilon", { 1e-12 })))
 {
     // Validate output
@@ -119,7 +129,7 @@
 
 FIXTURE_DATA_TEST_CASE(RunLarge, NEL2NormalizeLayerFixture<half>, framework::DatasetMode::NIGHTLY,
                        combine(combine(combine(combine(datasets::LargeShapes(), framework::dataset::make("DataType", DataType::F16)), framework::dataset::make("DataLayout", { DataLayout::NCHW, DataLayout::NHWC })),
-                                       framework::dataset::make("Axis", { 0, 1, 2 })),
+                                       framework::dataset::make("Axis", { -1, 0, 2 })),
                                framework::dataset::make("Epsilon", { 1e-12 })))
 {
     // Validate output