Auto batch fix default val +test (#10169)

* default config value for the AUTO_BATCH_TIMEOUT

* test for default config value for the AUTO_BATCH_TIMEOUT

* default val for timeout var

src/plugins/auto_batch/auto_batch.cpp

@@ -308,7 +308,7 @@ AutoBatchExecutableNetwork::AutoBatchExecutableNetwork(
     // WA for gcc 4.8 ( fails compilation with member init-list)
     _device = networkDevice;
     auto time_out = config.find(CONFIG_KEY(AUTO_BATCH_TIMEOUT));
-    if (time_out != config.end())
+    IE_ASSERT(time_out != config.end());
     _timeOut = ParseTimeoutValue(time_out->second.as<std::string>());
 }
 
@@ -639,6 +639,7 @@ IE_DEFINE_PLUGIN_CREATE_FUNCTION(AutoBatchInferencePlugin, version)
 
 AutoBatchInferencePlugin::AutoBatchInferencePlugin() {
     _pluginName = "BATCH";
+    _config[CONFIG_KEY(AUTO_BATCH_TIMEOUT)] = "1000";  // default value, in ms
 }
 
 InferenceEngine::Parameter AutoBatchInferencePlugin::GetMetric(

src/plugins/auto_batch/auto_batch.hpp

@@ -80,7 +80,7 @@ protected:
     std::unordered_map<std::string, InferenceEngine::Parameter> _config;
     bool _needPerfCounters = false;
     std::atomic_size_t _numRequestsCreated = {0};
-    std::atomic_int _timeOut = {1000};  // in ms
+    std::atomic_int _timeOut = {0};  // in ms
 };
 
 class AutoBatchInferRequest : public InferenceEngine::IInferRequestInternal {

src/tests/functional/plugin/gpu/shared_tests_instances/auto_batching/auto_batching_tests.cpp

@@ -1,13 +1,16 @@
 // Copyright (C) 2018-2022 Intel Corporation
 // SPDX-License-Identifier: Apache-2.0
 //
-#include <auto_batching/auto_batching_tests.hpp>
+#include "auto_batching/auto_batching_tests.hpp"
+#include "behavior/plugin/configuration_tests.hpp"
+
 
 const std::vector<size_t> num_streams{ 2 };
 const std::vector<bool>   get_vs_set{ true, false };
 const std::vector<size_t> num_requests{ 1, 8, 16, 64 };
 const std::vector<size_t> num_batch{ 1, 8, 32, 256 };
 using namespace AutoBatchingTests;
+using namespace BehaviorTestsDefinitions;
 
 namespace AutoBatchingTests {
 
@@ -28,4 +31,13 @@ INSTANTIATE_TEST_SUITE_P(smoke_AutoBatching_GPU, AutoBatching_Test_DetectionOutp
                                  ::testing::ValuesIn(num_requests),
                                  ::testing::ValuesIn(num_batch)),
                          AutoBatching_Test_DetectionOutput::getTestCaseName);
+
+INSTANTIATE_TEST_SUITE_P(
+        smoke_AutoBatching_GPU,
+        DefaultConfigurationTest,
+        ::testing::Combine(
+                ::testing::Values(std::string(CommonTestUtils::DEVICE_BATCH) + ":" + CommonTestUtils::DEVICE_GPU),
+                ::testing::Values(DefaultParameter{CONFIG_KEY(AUTO_BATCH_TIMEOUT),
+                                                   InferenceEngine::Parameter{"1000"}})),
+        DefaultConfigurationTest::getTestCaseName);
 }  // namespace AutoBatchingTests