fix windows bug (#29993)

python/paddle/fluid/tests/unittests/CMakeLists.txt

@@ -101,6 +101,9 @@ if(WIN32)
 
     # TODO: Fix these unittests failed on Windows
     LIST(REMOVE_ITEM TEST_OPS test_debugger)
+    if (WITH_GPU)
+        LIST(REMOVE_ITEM TEST_OPS test_update_loss_scaling_op)
+    endif()
 endif()
 
 if(NOT WITH_DISTRIBUTE OR WIN32)

tools/windows/run_unittests.sh

@@ -74,7 +74,6 @@ diable_wingpu_test="^test_gradient_clip$|\
 ^test_py_reader_pin_memory$|\
 ^test_py_reader_push_pop$|\
 ^test_reader_reset$|\
-^test_update_loss_scaling_op$|\
 ^test_imperative_se_resnext$|\
 ^test_imperative_static_runner_while$|\
 ^test_fuse_bn_act_pass$|\