diff --git a/src/armnnTestUtils/TestUtils.cpp b/src/armnnTestUtils/TestUtils.cpp
new file mode 100644
index 0000000..9ac0b39
--- /dev/null
+++ b/src/armnnTestUtils/TestUtils.cpp
@@ -0,0 +1,62 @@
+//
+// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "TestUtils.hpp"
+
+#include <armnn/utility/Assert.hpp>
+
+using namespace armnn;
+
+void Connect(armnn::IConnectableLayer* from, armnn::IConnectableLayer* to, const armnn::TensorInfo& tensorInfo,
+             unsigned int fromIndex, unsigned int toIndex)
+{
+    ARMNN_ASSERT(from);
+    ARMNN_ASSERT(to);
+
+    try
+    {
+        from->GetOutputSlot(fromIndex).Connect(to->GetInputSlot(toIndex));
+    }
+    catch (const std::out_of_range& exc)
+    {
+        std::ostringstream message;
+
+        if (to->GetType() == armnn::LayerType::FullyConnected && toIndex == 2)
+        {
+            message << "Tried to connect bias to FullyConnected layer when bias is not enabled: ";
+        }
+
+        message << "Failed to connect to input slot "
+                << toIndex
+                << " on "
+                << GetLayerTypeAsCString(to->GetType())
+                << " layer "
+                << std::quoted(to->GetName())
+                << " as the slot does not exist or is unavailable";
+        throw LayerValidationException(message.str());
+    }
+
+    from->GetOutputSlot(fromIndex).SetTensorInfo(tensorInfo);
+}
+
+namespace armnn
+{
+
+Graph& GetGraphForTesting(IOptimizedNetwork* optNet)
+{
+    return optNet->pOptimizedNetworkImpl->GetGraph();
+}
+
+ModelOptions& GetModelOptionsForTesting(IOptimizedNetwork* optNet)
+{
+    return optNet->pOptimizedNetworkImpl->GetModelOptions();
+}
+
+profiling::ProfilingService& GetProfilingService(armnn::RuntimeImpl* runtime)
+{
+    return runtime->m_ProfilingService;
+}
+
+}
\ No newline at end of file