CDK: add TEST_COMPILE_FLAGS setting.

Author: rsomla1

cdk/cmake/testing.cmake

@@ -155,6 +155,7 @@ IF(WITH_TESTS)
   if (MSVC)
 
     target_compile_options(${TEST} PRIVATE
+      ${TEST_COMPILE_FLAGS}
       /W3
       /wd4244
       /wd4267
@@ -173,6 +174,7 @@ IF(WITH_TESTS)
   elseif((CMAKE_SYSTEM_NAME MATCHES "SunOS") OR CMAKE_COMPILER_IS_GNUCXX)
 
     target_compile_options(${TEST} PRIVATE
+      ${TEST_COMPILE_FLAGS}
       -Wno-unused-but-set-variable
       -Wno-maybe-uninitialized
       -Wno-unused-value