IVGCVSW-4420 Failing Unit Test Cl: Quantize layer

 * Fix bug with missing ValidateInputsOutputs in Cl Workload
 * Renamed data type tests to be more specific
 * Future proofing

Signed-off-by: Keith Davis <keith.davis@arm.com>
Change-Id: I157acc318e40d727fcfb3f36f7f577fc87472f3d
diff --git a/src/backends/cl/workloads/ClQuantizeWorkload.cpp b/src/backends/cl/workloads/ClQuantizeWorkload.cpp
index 230e346..263065a 100644
--- a/src/backends/cl/workloads/ClQuantizeWorkload.cpp
+++ b/src/backends/cl/workloads/ClQuantizeWorkload.cpp
@@ -32,6 +32,8 @@
 ClQuantizeWorkload::ClQuantizeWorkload(const QuantizeQueueDescriptor& descriptor, const WorkloadInfo& info)
     : BaseWorkload<QuantizeQueueDescriptor>(descriptor, info)
 {
+    m_Data.ValidateInputsOutputs("ClQuantizeWorkload", 1, 1);
+
     arm_compute::ICLTensor& input  = static_cast<IClTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
     arm_compute::ICLTensor& output = static_cast<IClTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();