IVGCVSW-4604 ARGMINMAX float16 VTS test skipped in CpuRef

Change-Id: I75cca9804a67f629cddc83671397a84640e9bf0e
Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
diff --git a/src/backends/reference/test/RefLayerTests.cpp b/src/backends/reference/test/RefLayerTests.cpp
index d8dab3d..3164a92 100644
--- a/src/backends/reference/test/RefLayerTests.cpp
+++ b/src/backends/reference/test/RefLayerTests.cpp
@@ -1312,6 +1312,13 @@
 ARMNN_AUTO_TEST_CASE(ArgMaxHeightFloat32, ArgMaxHeightTest<DataType::Float32>)
 ARMNN_AUTO_TEST_CASE(ArgMinWidthFloat32, ArgMinWidthTest<DataType::Float32>)
 
+ARMNN_AUTO_TEST_CASE(ArgMaxFloat16, ArgMaxSimpleTest<DataType::Float16>)
+ARMNN_AUTO_TEST_CASE(ArgMinFloat16, ArgMinSimpleTest<DataType::Float16>)
+ARMNN_AUTO_TEST_CASE(ArgMinChannelFloat16, ArgMinChannelTest<DataType::Float16>)
+ARMNN_AUTO_TEST_CASE(ArgMaxChannelFloat16, ArgMaxChannelTest<DataType::Float16>)
+ARMNN_AUTO_TEST_CASE(ArgMaxHeightFloat16, ArgMaxHeightTest<DataType::Float16>)
+ARMNN_AUTO_TEST_CASE(ArgMinWidthFloat16, ArgMinWidthTest<DataType::Float16>)
+
 ARMNN_AUTO_TEST_CASE(ArgMaxSigned32, ArgMaxSimpleTest<DataType::Signed32>)
 ARMNN_AUTO_TEST_CASE(ArgMinSigned32, ArgMinSimpleTest<DataType::Signed32>)
 ARMNN_AUTO_TEST_CASE(ArgMinChannelSigned32, ArgMinChannelTest<DataType::Signed32>)