Revert "Revert "IVGCVSW-6873 Import inputs but don't export outputs fails.""

This reverts commit a0f8b15d4ddb5075f380003ff31b271d389d3b66.

Reason for revert: <Test ClDmaBufInternalTests review >

Change-Id: Ibc4a77fa008643849da7330391942e4c87b941e2
diff --git a/src/backends/neon/test/NeonFallbackTests.cpp b/src/backends/neon/test/NeonFallbackTests.cpp
index d2de843..8e0e0ab 100644
--- a/src/backends/neon/test/NeonFallbackTests.cpp
+++ b/src/backends/neon/test/NeonFallbackTests.cpp
@@ -60,6 +60,7 @@
     std::vector<BackendId> backends = { "MockRef", Compute::CpuAcc };
     OptimizerOptions optOptions;
     optOptions.m_ImportEnabled = true;
+    optOptions.m_ExportEnabled = true;
     IOptimizedNetworkPtr optNet = Optimize(*net, backends, runtime->GetDeviceSpec(), optOptions);
 
     Graph& graph = GetGraphForTesting(optNet.get());
@@ -203,6 +204,7 @@
     std::vector<BackendId> backends = { "MockRef", Compute::CpuAcc };
     OptimizerOptions optOptions;
     optOptions.m_ImportEnabled = true;
+    optOptions.m_ExportEnabled = true;
     IOptimizedNetworkPtr optNet = Optimize(*net, backends, runtime->GetDeviceSpec(), optOptions);
 
     Graph& graph = GetGraphForTesting(optNet.get());
@@ -338,6 +340,7 @@
     std::vector<BackendId> backends = { "MockRef", Compute::CpuAcc };
     OptimizerOptions optOptions;
     optOptions.m_ImportEnabled = true;
+    optOptions.m_ExportEnabled = true;
     IOptimizedNetworkPtr optNet = Optimize(*net, backends, runtime->GetDeviceSpec(), optOptions);
 
     Graph& graph = GetGraphForTesting(optNet.get());
@@ -482,6 +485,7 @@
     std::vector<BackendId> backends = { "MockRef", Compute::CpuAcc };
     OptimizerOptions optOptions;
     optOptions.m_ImportEnabled = true;
+    optOptions.m_ExportEnabled = true;
     IOptimizedNetworkPtr optNet = Optimize(*net, backends, runtime->GetDeviceSpec(), optOptions);
 
     Graph& graph = GetGraphForTesting(optNet.get());
@@ -746,6 +750,7 @@
     // optimize the network
     OptimizerOptions optOptions;
     optOptions.m_ImportEnabled = true;
+    optOptions.m_ExportEnabled = true;
     IOptimizedNetworkPtr optNet = Optimize(*net, backends, runtime->GetDeviceSpec(), optOptions);
 
     Graph& graph = GetGraphForTesting(optNet.get());
@@ -1037,6 +1042,7 @@
     // optimize the network
     OptimizerOptions optOptions;
     optOptions.m_ImportEnabled = true;
+    optOptions.m_ExportEnabled = true;
     IOptimizedNetworkPtr optNet = Optimize(*net, backends, runtime->GetDeviceSpec(), optOptions);
 
     Graph& graph = GetGraphForTesting(optNet.get());