add "/Z7" for cpp-tests on windows

Author: drelaptop

tests/cpp-tests/CMakeLists.txt

@@ -473,6 +473,8 @@ if(APPLE)
         set_xcode_property(${APP_NAME} ASSETCATALOG_COMPILER_APPICON_NAME "AppIcon-${APP_NAME}")
     endif()
 elseif(WINDOWS)
+    # "too large PDB" error often occurs in cpp-tests when using default "/Zi"
+    target_compile_options(${APP_NAME} PRIVATE /Z7)
     cocos_copy_target_dll(${APP_NAME} COPY_TO ${APP_RES_DIR}/..)
 endif()