IVGCVSW-6803 Add int32 support for CONCATENATION in CpuRef


Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Change-Id: Id9decafcebb6dbcac3a03516281524f22419cbfb
diff --git a/src/backends/reference/test/RefLayerTests.cpp b/src/backends/reference/test/RefLayerTests.cpp
index 69694e0..d07aea1 100644
--- a/src/backends/reference/test/RefLayerTests.cpp
+++ b/src/backends/reference/test/RefLayerTests.cpp
@@ -790,6 +790,7 @@
 ARMNN_AUTO_TEST_CASE_WITH_THF(SimpleConcat, ConcatTest)
 ARMNN_AUTO_TEST_CASE_WITH_THF(ConcatBFloat16, ConcatBFloat16Test)
 ARMNN_AUTO_TEST_CASE_WITH_THF(ConcatFloat16, ConcatFloat16Test)
+ARMNN_AUTO_TEST_CASE_WITH_THF(ConcatInt32, ConcatInt32Test)
 ARMNN_AUTO_TEST_CASE_WITH_THF(ConcatUint8, ConcatUint8Test)
 ARMNN_AUTO_TEST_CASE_WITH_THF(ConcatUint8DifferentQParams, ConcatUint8DifferentQParamsTest)
 ARMNN_AUTO_TEST_CASE_WITH_THF(ConcatUint16, ConcatUint16Test)