IVGCVSW-2970 Support QSymm16 for FullyConnected workloads

 * Add support for QSymm16 for FullyConnected
 * Add templating to Uint8 RefLayerTest to test QSymm16

Change-Id: Ie6e989daf2ca966d6c6805b8017126eb77ebfec4
Signed-off-by: Francis Murtagh <francis.murtagh@arm.com>
diff --git a/src/backends/reference/test/RefCreateWorkloadTests.cpp b/src/backends/reference/test/RefCreateWorkloadTests.cpp
index 48b85cb..95da7ab 100644
--- a/src/backends/reference/test/RefCreateWorkloadTests.cpp
+++ b/src/backends/reference/test/RefCreateWorkloadTests.cpp
@@ -327,6 +327,11 @@
     RefCreateFullyConnectedWorkloadTest<RefFullyConnectedWorkload, armnn::DataType::QuantisedAsymm8>();
 }
 
+BOOST_AUTO_TEST_CASE(CreateFullyConnectedWorkloadQuantisedAsymm16)
+{
+    RefCreateFullyConnectedWorkloadTest<RefFullyConnectedWorkload, armnn::DataType::QuantisedSymm16>();
+}
+
 template <typename NormalizationWorkloadType, armnn::DataType DataType>
 static void RefCreateNormalizationWorkloadTest(DataLayout dataLayout)
 {