Line formatting and adding missing class comments.

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

@@ -40,12 +40,14 @@ public class DataPublisherServiceComponentTest extends BaseAnalyticsDataPublishe
     }
 
     @Test (description = "Test bundle activation with exception thrown when service resgistration")
-    public void activateWithException() throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
+    public void activateWithException() throws NoSuchMethodException, IllegalAccessException,
+            InvocationTargetException {
         this.activate(new TestComponentContext());
     }
 
     @Test(dependsOnMethods = "activateWithException", description = "Test the bundle activation with succesful path")
-    public void activateWithoutException() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
+    public void activateWithoutException() throws NoSuchMethodException, InvocationTargetException,
+            IllegalAccessException {
         this.activate(MockOsgi.newComponentContext());
     }
 
@@ -56,7 +58,8 @@ public class DataPublisherServiceComponentTest extends BaseAnalyticsDataPublishe
         method.invoke(this.serviceComponent, MockOsgi.newComponentContext());
     }
 
-    private void activate(ComponentContext componentContext) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
+    private void activate(ComponentContext componentContext) throws NoSuchMethodException, InvocationTargetException,
+            IllegalAccessException {
         Method method = this.serviceComponent.getClass().getDeclaredMethod("activate", ComponentContext.class);
         method.setAccessible(true);
         method.invoke(this.serviceComponent, componentContext);

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

@@ -25,6 +25,9 @@ import org.osgi.service.component.ComponentInstance;
 
 import java.util.Dictionary;
 
+/**
+ * Mock implementation for component context.
+ */
 public class TestComponentContext implements ComponentContext {
     @Override
     public Dictionary getProperties() {