adding depends on methods to test case to make sure the execution order.

components/device-mgt/org.wso2.carbon.device.mgt.analytics.data.publisher/src/test/java/org/wso2/carbon/device/mgt/analytics/data/publisher/DataPublisherConfigTest.java

@@ -24,6 +24,7 @@ import org.wso2.carbon.device.mgt.analytics.data.publisher.config.InvalidConfigu
 import org.wso2.carbon.device.mgt.analytics.data.publisher.exception.DataPublisherConfigurationException;
 
 import java.io.File;
+import java.lang.reflect.Field;
 import java.net.URL;
 
 /**
@@ -33,12 +34,13 @@ public class DataPublisherConfigTest extends BaseAnalyticsDataPublisherTest {
 
     @Test(description = "Validating the behaviour od getInstance of the config before calling the init",
             expectedExceptions = InvalidConfigurationStateException.class)
-    public void testGetInstanceWithoutInit() {
+    public void testGetInstanceWithoutInit() throws NoSuchFieldException, IllegalAccessException {
         AnalyticsConfiguration.getInstance();
     }
 
     @Test(description = "Validating the behaviour od getInstance of the config before calling the init",
-            expectedExceptions = DataPublisherConfigurationException.class)
+            expectedExceptions = DataPublisherConfigurationException.class,
+            dependsOnMethods = "testGetInstanceWithoutInit")
     public void testInitWithInvalidConfig() throws DataPublisherConfigurationException {
         ClassLoader classLoader = this.getClass().getClassLoader();
         URL invalidConfig = classLoader.getResource("carbon-home/repository/conf/etc/" +
@@ -51,7 +53,8 @@ public class DataPublisherConfigTest extends BaseAnalyticsDataPublisherTest {
 
 
     @Test(description = "Validating the behaviour od getInstance of the config before calling the init",
-            expectedExceptions = DataPublisherConfigurationException.class)
+            expectedExceptions = DataPublisherConfigurationException.class,
+            dependsOnMethods = "testInitWithInvalidConfig")
     public void testInitWithInvalidXML() throws DataPublisherConfigurationException {
         ClassLoader classLoader = this.getClass().getClassLoader();
         URL invalidConfig = classLoader.getResource("carbon-home/repository/conf/etc/" +
@@ -63,7 +66,8 @@ public class DataPublisherConfigTest extends BaseAnalyticsDataPublisherTest {
     }
 
 
-    @Test(description = "Validating the init method with all required params", dependsOnMethods = "testInitWithInvalidXML")
+    @Test(description = "Validating the init method with all required params",
+            dependsOnMethods = "testInitWithInvalidXML")
     public void testInitWithValidConfig() throws DataPublisherConfigurationException {
         AnalyticsConfiguration.init();
         AnalyticsConfiguration analyticsConfiguration = AnalyticsConfiguration.getInstance();