Update the Swish OP visistor API to use typed test.

Signed-off-by: Luwei Zhou <luwei.zhou@intel.com>

Author: luweizhou2016

ngraph/test/visitors/op/swish.cpp

@@ -1,26 +1,11 @@
-// Copyright (C) 2018-2021 Intel Corporation
+// Copyright (C) 2021 Intel Corporation
 // SPDX-License-Identifier: Apache-2.0
 //
+#include "unary_ops.hpp"
 
-#include "gtest/gtest.h"
+using Type = ::testing::Types<UnaryOperatorType<ngraph::op::v4::Swish, element::f32>>;
 
-#include "ngraph/ngraph.hpp"
-#include "ngraph/op/util/attr_types.hpp"
-#include "ngraph/opsets/opset4.hpp"
-#include "util/visitor.hpp"
-
-using namespace std;
-using namespace ngraph;
-using ngraph::test::NodeBuilder;
-
-TEST(attributes, swish_op)
-{
-    NodeBuilder::get_ops().register_factory<opset4::Swish>();
-    const auto A = make_shared<op::Parameter>(element::f32, Shape{5, 2});
-
-    const auto swish = make_shared<opset4::Swish>(A);
-    NodeBuilder builder(swish);
-
-    const auto expected_attr_count = 0;
-    EXPECT_EQ(builder.get_value_map_size(), expected_attr_count);
-}
+INSTANTIATE_TYPED_TEST_CASE_P(visitor_without_atrribute,
+                              UnaryOperatorVisitor,
+                              Type,
+                              UnaryOperatorTypeName);