IVGCVSW-3173 Extend reference softmax workload to support qsymm16

Change-Id: I9ad5a04368a4587588d733ac36ad157f79b6c432
Signed-off-by: nikraj01 <nikhil.raj@arm.com>
diff --git a/src/backends/reference/test/RefCreateWorkloadTests.cpp b/src/backends/reference/test/RefCreateWorkloadTests.cpp
index fef2567..78083fa 100644
--- a/src/backends/reference/test/RefCreateWorkloadTests.cpp
+++ b/src/backends/reference/test/RefCreateWorkloadTests.cpp
@@ -441,6 +441,11 @@
     RefCreateSoftmaxWorkloadTest<RefSoftmaxWorkload, armnn::DataType::QuantisedAsymm8>();
 }
 
+BOOST_AUTO_TEST_CASE(CreateSoftmaxQuantisedSymm16Workload)
+{
+    RefCreateSoftmaxWorkloadTest<RefSoftmaxWorkload, armnn::DataType::QuantisedSymm16>();
+}
+
 template <typename SplitterWorkloadType, armnn::DataType DataType>
 static void RefCreateSplitterWorkloadTest()
 {