只需在 {root project dir}/app/src/androidTest/java/com/company/name 中添加一个新的 java 文件

Just add a new java file in {root project dir}/app/src/androidTest/java/com/company/name

Android Studio 会将其识别为 AndroidTest.

Android Studio will recognize it as AndroidTest.

package com.company.name;

import android.app.Application;
import android.test.ApplicationTestCase;

/**
 * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
 */
public class ApplicationTest extends ApplicationTestCase<Application> {
    public ApplicationTest() {
        super(Application.class);
    }
}