diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/DeviceTypeManagerNegativeTest.java b/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/DeviceTypeManagerNegativeTest.java
index 7d8de521489..06c0a3a0fb9 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/DeviceTypeManagerNegativeTest.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/DeviceTypeManagerNegativeTest.java
@@ -111,24 +111,24 @@ public class DeviceTypeManagerNegativeTest {
         }
         createDefectiveDeviceTypeManager();
         deviceIdentifier = new DeviceIdentifier();
-        deviceIdentifier.setId("test");
+        deviceIdentifier.setId(Utils.TEST_STRING);
         deviceIdentifier.setType(ANDROID_DEVICE_TYPE);
 
         DeviceDetails deviceDetails = new DeviceDetails();
         Properties properties = new Properties();
         List<String> propertyList = new ArrayList<>();
-        propertyList.add("test");
+        propertyList.add(Utils.TEST_STRING);
         properties.addProperties(propertyList);
 
         deviceDetails.setProperties(properties);
         propertyBasedPluginDAO = new PropertyBasedPluginDAOImpl(deviceDetails,
                 deviceTypeDAOHandler, ANDROID_DEVICE_TYPE);
         sampleDevice = new Device();
-        sampleDevice.setDeviceIdentifier("test");
+        sampleDevice.setDeviceIdentifier(Utils.TEST_STRING);
         List<Device.Property> deviceProperties = new ArrayList<>();
         Device.Property property = new Device.Property();
-        property.setName("test");
-        property.setValue("test");
+        property.setName(Utils.TEST_STRING);
+        property.setValue(Utils.TEST_STRING);
         deviceProperties.add(property);
         sampleDevice.setProperties(deviceProperties);
     }
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/DeviceTypeManagerTest.java b/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/DeviceTypeManagerTest.java
index 27ebd3f8277..d6f732cf13e 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/DeviceTypeManagerTest.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/DeviceTypeManagerTest.java
@@ -170,8 +170,8 @@ public class DeviceTypeManagerTest {
         Assert.assertTrue(customDeviceTypeManager.enrollDevice(customDevice), "Custom device type enrollment failed.");
         List<Device.Property> properties = customDevice.getProperties();
         Device.Property property = new Device.Property();
-        property.setName("test");
-        property.setValue("test");
+        property.setName(Utils.TEST_STRING);
+        property.setValue(Utils.TEST_STRING);
         properties.add(property);
         customDevice.setProperties(properties);
         Assert.assertFalse(customDeviceTypeManager.enrollDevice(customDevice),
@@ -239,8 +239,8 @@ public class DeviceTypeManagerTest {
             list.add(property);
         }
 
-        sampleDevice1 = new Device("testdevice", androidDeviceType, "test", "testdevice", null, null, list);
-        sampleDevice2 = new Device("testdevice1", androidDeviceType, "test", "testdevice", null, null, list);
+        sampleDevice1 = new Device("testdevice", androidDeviceType, Utils.TEST_STRING, "testdevice", null, null, list);
+        sampleDevice2 = new Device("testdevice1", androidDeviceType, Utils.TEST_STRING, "testdevice", null, null, list);
     }
 
     /**
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/HttpDeviceTypeManagerServiceAndDeviceTypeGeneratorServceTest.java b/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/HttpDeviceTypeManagerServiceAndDeviceTypeGeneratorServceTest.java
index d34ed73a3b9..b6beda3c2c0 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/HttpDeviceTypeManagerServiceAndDeviceTypeGeneratorServceTest.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/device/type/template/HttpDeviceTypeManagerServiceAndDeviceTypeGeneratorServceTest.java
@@ -79,7 +79,8 @@ public class HttpDeviceTypeManagerServiceAndDeviceTypeGeneratorServceTest {
     @Test(description = "This test case tests the enrollment of newly added device type")
     public void testEnrollDevice() throws DeviceManagementException {
         String deviceId = "testdevice1";
-        Device sampleDevice1 = new Device(deviceId, androidSenseDeviceType, "test", "testdevice", null, null, null);
+        Device sampleDevice1 = new Device(deviceId, androidSenseDeviceType, Utils.TEST_STRING, "testdevice", null, null,
+                null);
         Assert.assertTrue(httpDeviceTypeManagerService.getDeviceManager().enrollDevice(sampleDevice1),
                 "Enrollment of " + androidSenseDeviceType + " device failed");
         Assert.assertTrue(httpDeviceTypeManagerService.getDeviceManager()
@@ -112,7 +113,7 @@ public class HttpDeviceTypeManagerServiceAndDeviceTypeGeneratorServceTest {
 
         ConfigurationEntry configurationEntry = configurationEntries.get(0);
 
-        Assert.assertEquals(configurationEntry.getName(), "test",
+        Assert.assertEquals(configurationEntry.getName(), Utils.TEST_STRING,
                 "Platform Configuration for device type " + "sample is not saved correctly");
 
         String contentType = configurationEntry.getContentType();
@@ -154,10 +155,10 @@ public class HttpDeviceTypeManagerServiceAndDeviceTypeGeneratorServceTest {
                 .getDeclaredMethod("getDeviceTypeConfiguration", String.class, DeviceTypeMetaDefinition.class);
         getDeviceTypeConfiguration.setAccessible(true);
         List<String> properties = new ArrayList<>();
-        properties.add("test");
+        properties.add(Utils.TEST_STRING);
         deviceTypeMetaDefinition.setProperties(properties);
         Map<String, String> mapProperties = new HashMap<>();
-        mapProperties.put("test", "test");
+        mapProperties.put(Utils.TEST_STRING, Utils.TEST_STRING);
         PushNotificationConfig pushNotificationConfig = new PushNotificationConfig("push", true, mapProperties);
         deviceTypeMetaDefinition.setPushNotificationConfig(pushNotificationConfig);
         DeviceTypeConfiguration deviceTypeConfiguration = (DeviceTypeConfiguration) getDeviceTypeConfiguration
@@ -209,7 +210,7 @@ public class HttpDeviceTypeManagerServiceAndDeviceTypeGeneratorServceTest {
             org.wso2.carbon.device.mgt.common.Feature.MetadataEntry metadataEntry = new org.wso2.carbon.device.mgt
                     .common.Feature.MetadataEntry();
             metadataEntry.setId(1);
-            metadataEntry.setValue("test");
+            metadataEntry.setValue(Utils.TEST_STRING);
             List<org.wso2.carbon.device.mgt.common.Feature.MetadataEntry> metadataEntries = new ArrayList<>();
             metadataEntries.add(metadataEntry);
             commonFeature.setMetadataEntries(metadataEntries);
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/utils/Utils.java b/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/utils/Utils.java
index d35b8eba93e..8a2634d0f80 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/utils/Utils.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/utils/Utils.java
@@ -56,6 +56,7 @@ import java.util.List;
  */
 public class Utils {
     public static final String DEVICE_TYPE_FOLDER = "device-types" + File.separator;
+    public static final String TEST_STRING = "test";
 
     /**
      * To get the device type configuration based on the configuration file
diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/utils/UtilsTest.java b/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/utils/UtilsTest.java
index a682ab99bbb..c5a6f419cd2 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/utils/UtilsTest.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.extensions/src/test/java/org/wso2/carbon/device/mgt/extensions/utils/UtilsTest.java
@@ -68,7 +68,7 @@ public class UtilsTest {
 
     @Test(description = "This test case tests the getLicense method of the FileBasedLicenseManager")
     public void testFileBasedLicenseManagerGetLicense() throws LicenseManagementException {
-        License fileBasedLicense = fileSystemBasedLicenseManager.getLicense("test","en_US");
+        License fileBasedLicense = fileSystemBasedLicenseManager.getLicense(Utils.TEST_STRING,"en_US");
         Assert.assertEquals(fileBasedLicense.getText(), "This is a file based license",
                 "FileBased License cannot " + "be retrieved by FileBasedLicenseManager");
     }
@@ -84,7 +84,7 @@ public class UtilsTest {
             + "file system", expectedExceptions = {UnsupportedOperationException.class},
             expectedExceptionsMessageRegExp = "'addLicense' method is not supported in FileSystemBasedLicenseManager")
     public void testFileBasedLicenseManagerAddLicense() throws LicenseManagementException {
-       fileSystemBasedLicenseManager.addLicense("test", null);
+       fileSystemBasedLicenseManager.addLicense(Utils.TEST_STRING, null);
     }
 
     @Test(description = "This test case tests the DeviceTypeConfigIdentifier equals method")
@@ -102,15 +102,16 @@ public class UtilsTest {
     @Test(description = "This test cases tests the registry based license addition")
     public void testAddRegistryBasedLicense() throws LicenseManagementException {
         String newLicenseString = "New License";
-        License fileBasedLicense = fileSystemBasedLicenseManager.getLicense("test", "en_US");
+        License fileBasedLicense = fileSystemBasedLicenseManager.getLicense(Utils.TEST_STRING, "en_US");
         RegistryBasedLicenseManager registryBasedLicenseManager = new RegistryBasedLicenseManager();
-        registryBasedLicenseManager.addLicense("test", fileBasedLicense);
+        registryBasedLicenseManager.addLicense(Utils.TEST_STRING, fileBasedLicense);
         Assert.assertEquals(fileBasedLicense.getText(),
-                registryBasedLicenseManager.getLicense("test", "en_US").getText(), "Registry license addition failed");
+                registryBasedLicenseManager.getLicense(Utils.TEST_STRING, "en_US").getText(),
+                "Registry license addition failed");
         fileBasedLicense.setText(newLicenseString);
-        registryBasedLicenseManager.addLicense("test", fileBasedLicense);
-        Assert.assertEquals(registryBasedLicenseManager.getLicense("test", "en_US").getText(), newLicenseString,
-                "Registry license update failed");
+        registryBasedLicenseManager.addLicense(Utils.TEST_STRING, fileBasedLicense);
+        Assert.assertEquals(registryBasedLicenseManager.getLicense(Utils.TEST_STRING, "en_US").getText(),
+                newLicenseString, "Registry license update failed");
     }
 
     @Test(description = "This test case tests the GetConfigurationRegistry method when the registry service is "