How to remove all network connection in appium?

Code Snippet: package com.networkConnection; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import org.openqa.selenium.By; import org.openqa.selenium.WebElement; import org.openqa.selenium.remote.DesiredCapabilities; import org.testng.annotations.AfterMethod; import org.testng.annotations.AfterTest; import org.testng.annotations.BeforeMethod; import org.testng.annotations.BeforeTest; import org.testng.annotations.Test; import io.appium.java_client.AppiumDriver; import io.appium.java_client.android.AndroidDriver; …