modify according to zhouwei's comment (#38166)

python/paddle/fluid/tests/unittests/test_imperative_optimizer.py

@@ -632,7 +632,8 @@ class TestImperativeLambOptimizer(TestImperativeOptimizerBase):
             learning_rate=0.002, exclude_from_weight_decay_fn=exclude_fn)
         return optimizer
 
-    def test_lamb(self):
+    # should fix: may fail in CI-windows
+    def _test_lamb(self):
         self._check_mlp()
 
 

python/paddle/fluid/tests/unittests/test_imperative_optimizer_v2.py

@@ -721,7 +721,8 @@ class TestImperativeLambOptimizer(TestImperativeOptimizerBase):
             learning_rate=0.002, exclude_from_weight_decay_fn=exclude_fn)
         return optimizer
 
-    def test_lamb(self):
+    # should fix: may fail in CI-windows
+    def _test_lamb(self):
         self._check_mlp()
 
 

tools/windows/run_unittests.sh

@@ -95,7 +95,6 @@ disable_wingpu_test="^test_model$|\
 ^test_activation_op$|\
 ^test_norm_nn_grad$|\
 ^test_bilinear_interp_op$|\
-^test_imperative_optimizer_v2$|\
 ^disable_wingpu_test$"
 
 # /*==================Fixed Disabled Windows GPU MKL unittests==============================*/
@@ -188,7 +187,6 @@ long_time_test="^test_gru_op$|\
 ^test_sgd_op$|\
 ^test_transformer$|\
 ^test_imperative_auto_mixed_precision$|\
-^test_imperative_optimizer_v2$|\
 ^test_trt_matmul_quant_dequant$|\
 ^test_strided_slice_op$"