set parallel communication init flag in parallel ut

tests/ut/python/parallel/__init__.py

@@ -17,11 +17,12 @@ from mindspore.parallel._auto_parallel_context import auto_parallel_context
 from mindspore.parallel._cost_model_context import reset_cost_model_context
 from mindspore.parallel._utils import _reset_op_id
 from mindspore.parallel.algo_parameter_config import reset_algo_parameters
-
+from mindspore.communication._comm_helper import GlobalComm
 
 def setup_module():
     auto_parallel_context().set_enable_all_reduce_fusion(enable_all_reduce_fusion=True)
     context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", save_graphs=False)
+    GlobalComm.INITED = True
     reset_cost_model_context()
     reset_algo_parameters()
     _reset_op_id()
@@ -29,6 +30,7 @@ def setup_module():
 
 def teardown_module():
     context.reset_auto_parallel_context()
+    GlobalComm.INITED = False
     reset_cost_model_context()
     reset_algo_parameters()
     _reset_op_id()