move single card ut to legacy_test dir (#54560)

test/collective/CMakeLists.txt

@@ -455,10 +455,5 @@ if((WITH_ROCM OR WITH_GPU) AND (LINUX))
     "PADDLE_DIST_UT_PORT=21958;http_proxy=;https_proxy=")
   set_tests_properties(test_orthogonal_strategy PROPERTIES TIMEOUT "120")
 endif()
-
-if((WITH_GPU) AND (LINUX))
-  py_test_modules(test_fused_comm_buffer MODULES test_fused_comm_buffer)
-endif()
-
 add_subdirectory(fleet)
 add_subdirectory(multinode)

test/legacy_test/CMakeLists.txt

@@ -77,6 +77,7 @@ if(NOT WITH_GPU)
   list(REMOVE_ITEM TEST_OPS test_fused_bias_dropout_residual_layer_norm_op_api)
   list(REMOVE_ITEM TEST_OPS test_fused_attention_pass)
   list(REMOVE_ITEM TEST_OPS test_fused_feedforward_pass)
+  list(REMOVE_ITEM TEST_OPS test_fused_comm_buffer)
   list(REMOVE_ITEM DIST_TEST_OPS "test_dist_hapi_model")
   list(REMOVE_ITEM DIST_TEST_OPS "test_dist_fleet_spmt")
   list(REMOVE_ITEM DIST_TEST_OPS "test_dist_fleet_minimize")