|  | @@ -45,11 +45,7 @@ from grpc_test.framework.common import test_constants
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				|  |  |  from grpc_test.framework.interfaces.base import test_cases
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				|  |  |  from grpc_test.framework.interfaces.base import test_interfaces
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				|  |  |  
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				|  |  | -_INVOCATION_INITIAL_METADATA = ((b'0', b'abc'), (b'1', b'def'), (b'2', b'ghi'),)
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				|  |  | -_SERVICE_INITIAL_METADATA = ((b'3', b'jkl'), (b'4', b'mno'), (b'5', b'pqr'),)
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				|  |  | -_SERVICE_TERMINAL_METADATA = ((b'6', b'stu'), (b'7', b'vwx'), (b'8', b'yza'),)
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				|  |  |  _CODE = _intermediary_low.Code.OK
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				|  |  | -_MESSAGE = b'test message'
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				|  |  |  
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				|  |  |  
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				|  |  |  class _SerializationBehaviors(
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				|  | @@ -117,16 +113,18 @@ class _Implementation(test_interfaces.Implementation):
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				|  |  |      service_grpc_link.stop_gracefully()
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				|  |  |  
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				|  |  |    def invocation_initial_metadata(self):
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				|  |  | -    return _INVOCATION_INITIAL_METADATA
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				|  |  | +    return grpc_test_common.INVOCATION_INITIAL_METADATA
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				|  |  |  
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				|  |  |    def service_initial_metadata(self):
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				|  |  | -    return _SERVICE_INITIAL_METADATA
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				|  |  | +    return grpc_test_common.SERVICE_INITIAL_METADATA
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				|  |  |  
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				|  |  |    def invocation_completion(self):
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				|  |  |      return utilities.completion(None, None, None)
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				|  |  |  
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				|  |  |    def service_completion(self):
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				|  |  | -    return utilities.completion(_SERVICE_TERMINAL_METADATA, _CODE, _MESSAGE)
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				|  |  | +    return utilities.completion(
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				|  |  | +        grpc_test_common.SERVICE_TERMINAL_METADATA, _CODE,
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				|  |  | +        grpc_test_common.DETAILS)
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				|  |  |  
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				|  |  |    def metadata_transmitted(self, original_metadata, transmitted_metadata):
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				|  |  |      return original_metadata is None or grpc_test_common.metadata_transmitted(
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				|  | @@ -146,14 +144,6 @@ class _Implementation(test_interfaces.Implementation):
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				|  |  |        return True
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				|  |  |  
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				|  |  |  
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				|  |  | -def setUpModule():
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				|  |  | -  logging.warn('setUpModule!')
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				|  |  | -
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				|  |  | -
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				|  |  | -def tearDownModule():
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				|  |  | -  logging.warn('tearDownModule!')
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				|  |  | -
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				|  |  | -
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				|  |  |  def load_tests(loader, tests, pattern):
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				|  |  |    return unittest.TestSuite(
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				|  |  |        tests=tuple(
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