<repositories>
     <repository>
         <id>jitpack.io </id>
         <url> https://jitpack.io </url>
     </repository>
</repositories>

<dependency>
   <groupId> com.github.saikrishna321 </groupId>
   <artifactId >AppiumTestDistribution </artifactId>
   <version>088478e376 </version>
</dependency>

public class Runner {
  @Test
  public void testApp() throws Exception {
    ParallelThread parallelThread = new
ParallelThread();
    //parallelThread.runner(package_name_where_test_located);
    parallelThread.runner("com.paralle.tests");
   }
}

{
 "android": {
   "platformName": "android",
   "platformVersion": "7.0",
   "app": "./build/wordpress.apk",
   "appPackage": "org.wordpress.android",
   "appActivity":"org.wordpress.android.ui.WPLaunchActivity",
   "deviceName": "android",
   "noSign": true
},

"iOS": {
   "platformName": "iOS",
   "app": {
   "simulator": "./build/WordPress.zip"
},
   "deviceName": "iPhone",
  "wdaLaunchTimeout": 80000,
  "wdaConnectionTimeout": 80000,
   "preventWDAAttachments": true,
   "clearSystemFiles": true,
   "shouldUseSingletonTestManager": false,
   "simpleIsVisibleCheck": true,
   "maxTypingFrequency": 10
   },
   "hostMachines": [
   {
   "machineIP": "127.0.0.1",
   "simulators": [
   {
   "deviceName": "iPhone 7",
   "OS": "11.0"
   }
   ]
}
],
  "ATDServiceHost":"127.0.0.1",
  "ATDServicePort":"3000"
}

Platform=both mvn clean -Dtest=Runner test