mv paddle/fluid/platform/device/xpu/tests 2 test/xpu/cpp (#52243)

* mv paddle/fluid/platform/device/xpu/tests 2 test/xpu/cpp

* add missing cmake

paddle/fluid/platform/device/xpu/CMakeLists.txt

@@ -35,5 +35,3 @@ cc_library(
   xpu_resource_pool
   SRCS xpu_resource_pool.cc
   DEPS xpu_info)
-
-add_subdirectory(tests)

test/CMakeLists.txt

@@ -86,7 +86,7 @@ if(WITH_TESTING)
   # add_subdirectory(standalone_executor)
   # add_subdirectory(tokenizer)
   # add_subdirectory(white_list)
-  # add_subdirectory(xpu)
+  add_subdirectory(xpu)
 endif()
 
 get_property(test_srcs GLOBAL PROPERTY TEST_SRCS)

test/xpu/CMakeLists.txt

+if(WITH_XPU)
+  add_subdirectory(cpp)
+endif()