IVGCVSW-4692 HAL 1.3 VTS/NNT, Unit test Failures

* Check if the model is prepared.

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: Ia6ea7c5b61a1da97acddddfc5431925cbb4f0227
diff --git a/test/1.1/Transpose.cpp b/test/1.1/Transpose.cpp
index 5679ca2..7a36130 100644
--- a/test/1.1/Transpose.cpp
+++ b/test/1.1/Transpose.cpp
@@ -89,7 +89,10 @@
     android::sp<IMemory> outMemory = AddPoolAndGetData<float>(expectedOutputTensor.GetNumElements(), request);
     float* outdata = static_cast<float*>(static_cast<void*>(outMemory->getPointer()));
 
-    auto execStatus = Execute(preparedModel, request);
+    if (preparedModel.get() != nullptr)
+    {
+        auto execStatus = Execute(preparedModel, request);
+    }
 
     const float * expectedOutput = expectedOutputTensor.GetData();
     for (unsigned int i = 0; i < expectedOutputTensor.GetNumElements(); ++i)