diff --git a/inference-engine/src/transformations/src/transformations/serialize.cpp b/inference-engine/src/transformations/src/transformations/serialize.cpp
index 03e872267c2..7a9a2b8f16e 100644
--- a/inference-engine/src/transformations/src/transformations/serialize.cpp
+++ b/inference-engine/src/transformations/src/transformations/serialize.cpp
@@ -276,6 +276,12 @@ public:
                     ngraph::ValueAccessor<double>& adapter) override {
         m_xml_node.append_attribute(name.c_str()).set_value(adapter.get());
     }
+    void on_adapter(
+        const std::string& name,
+        ngraph::ValueAccessor<std::vector<int>>& adapter) override {
+        m_xml_node.append_attribute(name.c_str())
+            .set_value(create_atribute_list(adapter).c_str());
+    }
     void on_adapter(
         const std::string& name,
         ngraph::ValueAccessor<std::vector<int64_t>>& adapter) override {
diff --git a/inference-engine/tests/functional/inference_engine/serialization/single_layer/detection_output.cpp b/inference-engine/tests/functional/inference_engine/serialization/single_layer/detection_output.cpp
new file mode 100644
index 00000000000..f333e181229
--- /dev/null
+++ b/inference-engine/tests/functional/inference_engine/serialization/single_layer/detection_output.cpp
@@ -0,0 +1,74 @@
+// Copyright (C) 2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include <vector>
+
+#include "shared_test_classes/single_layer/detection_output.hpp"
+#include "common_test_utils/test_constants.hpp"
+
+using namespace LayerTestsDefinitions;
+
+namespace {
+    TEST_P(DetectionOutputLayerTest, Serialize) {
+        Serialize();
+    }
+
+    const std::vector<InferenceEngine::Precision> netPrecisions = {
+            InferenceEngine::Precision::FP32,
+            InferenceEngine::Precision::FP16
+    };
+
+    /* =============== Detection Output =============== */
+
+    const int numClasses = 11;
+    const int backgroundLabelId = 0;
+    const std::vector<int> topK = {75};
+    const std::vector<std::vector<int>> keepTopK = { {50}, {100} };
+    const std::vector<std::string> codeType = {"caffe.PriorBoxParameter.CORNER", "caffe.PriorBoxParameter.CENTER_SIZE"};
+    const float nmsThreshold = 0.5f;
+    const float confidenceThreshold = 0.3f;
+    const std::vector<bool> clipAfterNms = {true, false};
+    const std::vector<bool> clipBeforeNms = {true, false};
+    const std::vector<bool> decreaseLabelId = {true, false};
+    const std::vector<size_t> numberBatch = {1, 2};
+    const float objectnessScore = 0.4f;
+
+    const auto commonAttributes = ::testing::Combine(
+            ::testing::Values(numClasses),
+            ::testing::Values(backgroundLabelId),
+            ::testing::ValuesIn(topK),
+            ::testing::ValuesIn(keepTopK),
+            ::testing::ValuesIn(codeType),
+            ::testing::Values(nmsThreshold),
+            ::testing::Values(confidenceThreshold),
+            ::testing::ValuesIn(clipAfterNms),
+            ::testing::ValuesIn(clipBeforeNms),
+            ::testing::ValuesIn(decreaseLabelId));
+
+    /* =============== 3 inputs cases =============== */
+
+    const std::vector<ParamsWhichSizeDepends> specificParams3In = {
+        ParamsWhichSizeDepends{true, true, true, 1, 1, {1, 60}, {1, 165}, {1, 1, 60}, {}, {}},
+        ParamsWhichSizeDepends{true, false, true, 1, 1, {1, 660}, {1, 165}, {1, 1, 60}, {}, {}},
+        ParamsWhichSizeDepends{false, true, true, 1, 1, {1, 60}, {1, 165}, {1, 2, 60}, {}, {}},
+        ParamsWhichSizeDepends{false, false, true, 1, 1, {1, 660}, {1, 165}, {1, 2, 60}, {}, {}},
+
+        ParamsWhichSizeDepends{true, true, false, 10, 10, {1, 60}, {1, 165}, {1, 1, 75}, {}, {}},
+        ParamsWhichSizeDepends{true, false, false, 10, 10, {1, 660}, {1, 165}, {1, 1, 75}, {}, {}},
+        ParamsWhichSizeDepends{false, true, false, 10, 10, {1, 60}, {1, 165}, {1, 2, 75}, {}, {}},
+        ParamsWhichSizeDepends{false, false, false, 10, 10, {1, 660}, {1, 165}, {1, 2, 75}, {}, {}}};
+
+    const auto params3Inputs = ::testing::Combine(
+        commonAttributes,
+        ::testing::ValuesIn(specificParams3In),
+        ::testing::ValuesIn(numberBatch),
+        ::testing::Values(objectnessScore),
+        ::testing::Values(CommonTestUtils::DEVICE_CPU));
+
+INSTANTIATE_TEST_CASE_P(
+    smoke_DetectionOutput3In,
+    DetectionOutputLayerTest,
+    params3Inputs,
+    DetectionOutputLayerTest::getTestCaseName);
+}  // namespace
diff --git a/inference-engine/tests/functional/inference_engine/serialization/single_layer/pooling.cpp b/inference-engine/tests/functional/inference_engine/serialization/single_layer/pooling.cpp
new file mode 100644
index 00000000000..e333d290d5c
--- /dev/null
+++ b/inference-engine/tests/functional/inference_engine/serialization/single_layer/pooling.cpp
@@ -0,0 +1,92 @@
+// Copyright (C) 2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include <vector>
+
+#include "shared_test_classes/single_layer/pooling.hpp"
+#include "common_test_utils/test_constants.hpp"
+
+using namespace LayerTestsDefinitions;
+
+namespace {
+    TEST_P(PoolingLayerTest, Serialize) {
+        Serialize();
+    }
+
+    const std::vector<InferenceEngine::Precision> netPrecisions = {
+            InferenceEngine::Precision::FP32,
+            InferenceEngine::Precision::FP16
+    };
+
+    /* ============= POOLING ============= */
+    const std::vector<std::vector<size_t >> kernels = {{3, 3},
+                                                   {3, 5}};
+    const std::vector<std::vector<size_t >> strides = {{1, 1},
+                                                    {1, 2}};
+    const std::vector<std::vector<size_t >> padBegins = {{0, 0},
+                                                        {0, 2}};
+    const std::vector<std::vector<size_t >> padEnds = {{0, 0},
+                                                    {0, 2}};
+
+    const std::vector<ngraph::op::RoundingType> roundingTypes = {
+       ngraph::op::RoundingType::FLOOR,
+       ngraph::op::RoundingType::CEIL
+    };
+
+    const std::vector<ngraph::op::PadType> padTypes = {
+        ngraph::op::PadType::EXPLICIT,
+        ngraph::op::PadType::SAME_UPPER,
+        ngraph::op::PadType::VALID
+    };
+
+    const std::vector<size_t> inputShape = {511, 11, 13, 15};
+    const std::vector<bool> excludePad = {true, false};
+
+    /* ============= AVERAGE POOLING ============= */
+
+    const auto avgExcludePadParams = ::testing::Combine(
+            ::testing::Values(ngraph::helpers::PoolingTypes::AVG),
+            ::testing::ValuesIn(kernels),
+            ::testing::ValuesIn(strides),
+            ::testing::ValuesIn(padBegins),
+            ::testing::ValuesIn(padEnds),
+            ::testing::ValuesIn(roundingTypes),
+            ::testing::ValuesIn(padTypes),
+            ::testing::Values(excludePad[0]));
+
+    INSTANTIATE_TEST_CASE_P(smoke_AvgPoolExcluePad, PoolingLayerTest,
+            ::testing::Combine(
+                avgExcludePadParams,
+                ::testing::ValuesIn(netPrecisions),
+                ::testing::Values(InferenceEngine::Precision::UNSPECIFIED),
+                ::testing::Values(InferenceEngine::Precision::UNSPECIFIED),
+                ::testing::Values(InferenceEngine::Layout::ANY),
+                ::testing::Values(InferenceEngine::Layout::ANY),
+                ::testing::Values(inputShape),
+                ::testing::Values(CommonTestUtils::DEVICE_CPU)),
+            PoolingLayerTest::getTestCaseName);
+
+    const auto avgPadParams = ::testing::Combine(
+            ::testing::Values(ngraph::helpers::PoolingTypes::AVG),
+            ::testing::ValuesIn(kernels),
+            ::testing::ValuesIn(strides),
+            ::testing::ValuesIn(padBegins),
+            ::testing::ValuesIn(padEnds),
+            ::testing::ValuesIn(roundingTypes),
+            ::testing::ValuesIn(padTypes),
+            ::testing::Values(excludePad[1]));
+
+    INSTANTIATE_TEST_CASE_P(smoke_AvgPool, PoolingLayerTest,
+            ::testing::Combine(
+                avgPadParams,
+                ::testing::ValuesIn(netPrecisions),
+                ::testing::Values(InferenceEngine::Precision::UNSPECIFIED),
+                ::testing::Values(InferenceEngine::Precision::UNSPECIFIED),
+                ::testing::Values(InferenceEngine::Layout::ANY),
+                ::testing::Values(InferenceEngine::Layout::ANY),
+                ::testing::Values(inputShape),
+                ::testing::Values(CommonTestUtils::DEVICE_CPU)),
+            PoolingLayerTest::getTestCaseName);
+}  // namespace
+
diff --git a/inference-engine/tests/functional/inference_engine/serialization/single_layer/prior_box_clustered.cpp b/inference-engine/tests/functional/inference_engine/serialization/single_layer/prior_box_clustered.cpp
new file mode 100644
index 00000000000..28a4aac5518
--- /dev/null
+++ b/inference-engine/tests/functional/inference_engine/serialization/single_layer/prior_box_clustered.cpp
@@ -0,0 +1,77 @@
+// Copyright (C) 2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include <vector>
+
+#include "shared_test_classes/single_layer/prior_box_clustered.hpp"
+#include "common_test_utils/test_constants.hpp"
+
+using namespace LayerTestsDefinitions;
+
+namespace {
+    TEST_P(PriorBoxClusteredLayerTest, Serialize) {
+        Serialize();
+    }
+
+    const std::vector<InferenceEngine::Precision> netPrecisions = {
+        InferenceEngine::Precision::FP32,
+        InferenceEngine::Precision::FP16
+    };
+
+    const std::vector<std::vector<float>> widths = {
+        { 5.12f, 14.6f, 13.5f },
+        { 7.0f, 8.2f, 33.39f }
+    };
+
+    const std::vector<std::vector<float>> heights = {
+        { 15.12f, 15.6f, 23.5f },
+        { 10.0f, 16.2f, 36.2f }
+    };
+
+    const std::vector<float> step_widths = {
+        0.0f, 2.0f
+    };
+
+    const std::vector<float> step_heights = {
+        0.0f, 1.5f
+    };
+
+    const std::vector<float> offsets = {
+        0.5f
+    };
+
+    const std::vector<std::vector<float>> variances = {
+        { 0.1f, 0.1f, 0.2f, 0.2f }
+    };
+
+    const std::vector<bool> clips = {
+        true, false
+    };
+
+    const std::vector<size_t> inputShape = {4, 4};
+    const std::vector<size_t> imageShape = {50, 50};
+
+    const auto layerSpeficParams = ::testing::Combine(
+        ::testing::ValuesIn(widths),
+        ::testing::ValuesIn(heights),
+        ::testing::ValuesIn(clips),
+        ::testing::ValuesIn(step_widths),
+        ::testing::ValuesIn(step_heights),
+        ::testing::ValuesIn(offsets),
+        ::testing::ValuesIn(variances));
+
+    INSTANTIATE_TEST_CASE_P(smoke_PriorBoxClustered_Basic, PriorBoxClusteredLayerTest,
+            ::testing::Combine(
+                layerSpeficParams,
+                ::testing::ValuesIn(netPrecisions),
+                ::testing::Values(InferenceEngine::Precision::UNSPECIFIED),
+                ::testing::Values(InferenceEngine::Precision::UNSPECIFIED),
+                ::testing::Values(InferenceEngine::Layout::ANY),
+                ::testing::Values(InferenceEngine::Layout::ANY),
+                ::testing::Values(inputShape),
+                ::testing::Values(imageShape),
+                ::testing::Values(CommonTestUtils::DEVICE_CPU)),
+            PriorBoxClusteredLayerTest::getTestCaseName);
+
+}  // namespace
diff --git a/inference-engine/tests/functional/shared_test_classes/src/single_layer/pooling.cpp b/inference-engine/tests/functional/shared_test_classes/src/single_layer/pooling.cpp
index f768a27d954..8a4a51f1212 100644
--- a/inference-engine/tests/functional/shared_test_classes/src/single_layer/pooling.cpp
+++ b/inference-engine/tests/functional/shared_test_classes/src/single_layer/pooling.cpp
@@ -38,9 +38,7 @@ std::string PoolingLayerTest::getTestCaseName(testing::TestParamInfo<poolLayerTe
     result << "S" << CommonTestUtils::vec2str(stride) << "_";
     result << "PB" << CommonTestUtils::vec2str(padBegin) << "_";
     result << "PE" << CommonTestUtils::vec2str(padEnd) << "_";
-    if (padType == ngraph::op::PadType::EXPLICIT) {
-        result << "Rounding=" << roundingType << "_";
-    }
+    result << "Rounding=" << roundingType << "_";
     result << "AutoPad=" << padType << "_";
     result << "netPRC=" << netPrecision.name() << "_";
     result << "inPRC=" << inPrc.name() << "_";