Port the integration test from expect to wdye

CMakeLists.txt

@@ -210,6 +210,11 @@ if (BUILD_TESTING)
 	add_test (NAME custom-static-analysis
 		COMMAND ${PROJECT_SOURCE_DIR}/test-static)
 endif ()
+option (BUILD_TESTING_WDYE "..." OFF)
+if (BUILD_TESTING_WDYE)
+	add_subdirectory (liberty/tools/wdye)
+	add_test (NAME integration COMMAND wdye "${PROJECT_SOURCE_DIR}/test.lua")
+endif ()
 
 # Various clang-based diagnostics, loads of fake positives and spam
 file (GLOB clang_tidy_sources *.c)