IVGCVSW-2073: Move remaining backend-specific tests from armnn to backends

Change-Id: I45fd5b6dd32c435b78a54dc377a623e60978ce13
diff --git a/src/backends/cl/test/CMakeLists.txt b/src/backends/cl/test/CMakeLists.txt
index 69aa08d..c017377 100644
--- a/src/backends/cl/test/CMakeLists.txt
+++ b/src/backends/cl/test/CMakeLists.txt
@@ -6,9 +6,12 @@
 list(APPEND armnnClBackendUnitTests_sources
     ClContextControlFixture.hpp
     ClCreateWorkloadTests.cpp
+    ClEndToEndTests.cpp
+    ClJsonPrinterTests.cpp
     ClLayerSupportTests.cpp
     ClLayerTests.cpp
     ClMemCopyTests.cpp
+    ClOptimizedNetworkTests.cpp
     ClRuntimeTests.cpp
     OpenClTimerTest.cpp
 )