IVGCVSW-6069 Add Unit Test for Pad + DepthwiseConv and Pad + Conv

*All fold pad test are now in a separate file

Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Change-Id: Ic0b0436f6b0194404f9a3f1553e2f69524b63580
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1e201ea..66d8abe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -554,6 +554,7 @@
         src/armnn/test/optimizations/ConvertConstantsBFloatTests.cpp
         src/armnn/test/optimizations/ConvertConstantsFloatToHalfTests.cpp
         src/armnn/test/optimizations/ConvertConstantsHalfToFloatTests.cpp
+        src/armnn/test/optimizations/FoldPadTests.cpp
         src/armnn/test/optimizations/Fp32NetworkToBf16ConverterTests.cpp
         src/armnn/test/optimizations/Fp32NetworkToFp16ConverterTests.cpp
         src/armnn/test/optimizations/FuseActivationTests.cpp