IVGCVSW-2552 Add unit tests for the input and output layers for Visitor

Change-Id: I73ae9b43fa1631fdec423177d37fffc719c71f88
Signed-off-by: FrancisMurtagh <francis.murtagh@arm.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index dfd10be..282b46d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -392,6 +392,8 @@
         src/armnn/test/SubGraphTests.cpp
         src/armnn/test/TensorHelpers.hpp
         src/armnn/test/TensorTest.cpp
+        src/armnn/test/TestInputOutputLayerVisitor.cpp
+        src/armnn/test/TestInputOutputLayerVisitor.hpp
         src/armnn/test/TestLayerVisitor.cpp
         src/armnn/test/TestLayerVisitor.hpp
         src/armnn/test/TestNameOnlyLayerVisitor.cpp