diff --git a/apps/inbandtelemetry/impl/src/test/java/org/onosproject/inbandtelemetry/impl/SimpleIntManagerTest.java b/apps/inbandtelemetry/impl/src/test/java/org/onosproject/inbandtelemetry/impl/SimpleIntManagerTest.java
new file mode 100644
index 0000000..6f7ed96
--- /dev/null
+++ b/apps/inbandtelemetry/impl/src/test/java/org/onosproject/inbandtelemetry/impl/SimpleIntManagerTest.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright 2020-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.inbandtelemetry.impl;
+
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.JsonNodeFactory;
+import com.google.common.collect.ImmutableList;
+import org.easymock.Capture;
+import org.easymock.EasyMock;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.TpPort;
+import org.onosproject.TestApplicationId;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.mastership.MastershipService;
+import org.onosproject.net.behaviour.inbandtelemetry.IntReportConfig;
+import org.onosproject.net.behaviour.inbandtelemetry.IntDeviceConfig;
+import org.onosproject.net.config.ConfigApplyDelegate;
+import org.onosproject.net.config.NetworkConfigEvent;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.NetworkConfigRegistry;
+import org.onosproject.net.config.NetworkConfigService;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.host.HostService;
+import org.onosproject.store.service.StorageService;
+import org.onosproject.store.service.TestStorageService;
+
+import static org.easymock.EasyMock.anyObject;
+import static org.easymock.EasyMock.createNiceMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.expectLastCall;
+import static org.easymock.EasyMock.newCapture;
+import static org.easymock.EasyMock.replay;
+import static org.junit.Assert.assertEquals;
+import static org.onlab.junit.TestUtils.setField;
+
+public class SimpleIntManagerTest {
+    private static final String APP_NAME = "org.onosproject.inbandtelemetry";
+    private static final ApplicationId APP_ID = new TestApplicationId(APP_NAME);
+    private static final IpAddress COLLECTOR_IP = IpAddress.valueOf("10.0.0.1");
+    private static final TpPort COLLECTOR_PORT = TpPort.tpPort(5500);
+    private static final int MIN_FLOW_HOP_LATENCY_CHANGE_NS = 16;
+
+    private SimpleIntManager manager;
+    private StorageService storageService;
+    private MastershipService mastershipService;
+    private CoreService coreService;
+    private HostService hostService;
+    private DeviceService deviceService;
+    private NetworkConfigRegistry networkConfigRegistry;
+    private NetworkConfigService networkConfigService;
+    private NetworkConfigListener networkConfigListener;
+
+
+    @Before
+    public void setup() {
+        storageService = new TestStorageService();
+        mastershipService = createNiceMock(MastershipService.class);
+        coreService = createNiceMock(CoreService.class);
+        hostService = createNiceMock(HostService.class);
+        deviceService = createNiceMock(DeviceService.class);
+        expect(deviceService.getDevices()).andReturn(ImmutableList.of()).anyTimes();
+        networkConfigRegistry = createNiceMock(NetworkConfigRegistry.class);
+        networkConfigService = createNiceMock(NetworkConfigService.class);
+
+        manager = new SimpleIntManager();
+        setField(manager, "coreService", coreService);
+        setField(manager, "deviceService", deviceService);
+        setField(manager, "storageService", storageService);
+        setField(manager, "mastershipService", mastershipService);
+        setField(manager, "hostService", hostService);
+        setField(manager, "netcfgService", networkConfigService);
+        setField(manager, "netcfgRegistry", networkConfigRegistry);
+
+        expect(coreService.registerApplication(APP_NAME)).andReturn(APP_ID).once();
+        networkConfigRegistry.registerConfigFactory(anyObject());
+        expectLastCall().once();
+
+        Capture<NetworkConfigListener> capture = newCapture();
+        networkConfigService.addListener(EasyMock.capture(capture));
+        expectLastCall().once();
+        replay(mastershipService, deviceService, coreService,
+                hostService, networkConfigRegistry, networkConfigService);
+        manager.activate();
+        networkConfigListener = capture.getValue();
+    }
+
+    @After
+    public void teardown() {
+        manager.deactivate();
+    }
+
+    @Test
+    public void testPushIntAppConfig() {
+        IntReportConfig config = new IntReportConfig();
+        ObjectMapper mapper = new ObjectMapper();
+        ConfigApplyDelegate delegate = configApply -> { };
+        config.init(APP_ID, "report", JsonNodeFactory.instance.objectNode(), mapper, delegate);
+        config.setCollectorIp(COLLECTOR_IP)
+                .setCollectorPort(COLLECTOR_PORT)
+                .setMinFlowHopLatencyChangeNs(MIN_FLOW_HOP_LATENCY_CHANGE_NS);
+
+        NetworkConfigEvent event =
+                new NetworkConfigEvent(NetworkConfigEvent.Type.CONFIG_ADDED, APP_ID,
+                        config, null, IntReportConfig.class);
+        networkConfigListener.event(event);
+
+        // We expected that the manager will store the device config which
+        // converted from the app config.
+        IntDeviceConfig deviceConfig = manager.getConfig();
+        assertEquals(COLLECTOR_IP, deviceConfig.collectorIp());
+        assertEquals(COLLECTOR_PORT, deviceConfig.collectorPort());
+        assertEquals(MIN_FLOW_HOP_LATENCY_CHANGE_NS, deviceConfig.minFlowHopLatencyChangeNs());
+    }
+}