diff --git a/ci/cmake-preloads/config-windows.txt b/ci/cmake-preloads/config-windows.txt
index 0a84d883d..723f3708b 100644
--- a/ci/cmake-preloads/config-windows.txt
+++ b/ci/cmake-preloads/config-windows.txt
@@ -1,4 +1,4 @@
 message("PRELOADING windows cache")
 set (CMAKE_BUILD_TYPE "Debug" CACHE STRING "build type")
 set(WITH_SERVER "ON" CACHE BOOL "Build server binaries")
-#set (BUILD_TESTING ON CACHE BOOL "build testing")
+set (BUILD_TESTING ON CACHE BOOL "build testing")