IVGCVSW-6453 'Move the ArmNN Test Utils code to a physically separate directory'

* Created include/armnnTestUtils directory
* Moved Arm NN test utils files into armnnTestUtils directory

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I03ac54c645c41c52650c4c03b6a58fb1481fef5d
diff --git a/src/backends/neon/test/NeonLayerTests.cpp b/src/backends/neon/test/NeonLayerTests.cpp
index 1750f24..3b63a88 100644
--- a/src/backends/neon/test/NeonLayerTests.cpp
+++ b/src/backends/neon/test/NeonLayerTests.cpp
@@ -5,8 +5,8 @@
 
 #include "NeonWorkloadFactoryHelper.hpp"
 
-#include <test/TensorHelpers.hpp>
-#include <test/UnitTests.hpp>
+#include <TensorHelpers.hpp>
+#include <UnitTests.hpp>
 
 #include <neon/NeonLayerSupport.hpp>
 #include <neon/NeonWorkloadFactory.hpp>