Square’s meticulous HTTP client for Java and Kotlin.

A type-safe HTTP client for Android and Java.

A Retrofit Converter which uses Gson for serialization.

Simple is a high performance XML serialization and configuration framework for Java

The AndroidX Test Library provides an extensive framework for testing Android apps

JUnit Jupiter is the API for writing tests using JUnit 5.

Core API and libraries of hamcrest matcher framework.

Mockito mock objects library core API and implementation

PowerMock support module for JUnit 4.x rules.

PowerMock support module for JUnit 4.x.

PowerMock API for Mockito 2.+..

Performs classloader deep-cloning using X-Stream.

An alternative Android testing framework.