A Godot Integrated Unit Testing Framework

What is GdUnit3
GdUnit3 is a framework for testing GdScrips and Scenes within the Godot editor. GdUnit3 is very useful for test-driven development and will help you get your code bug-free.
Features
Fully integrated in the Godot editor
Run test-suite(s) by using the context menu on FileSystem, ScriptEditor or GdUnitInspector
Create test's directly from the ScriptEditor
A spacious set of Asserts use to verify your code
Argument matchers to verify the behavior of a function call by a specified argument type.
Fluent syntax support
Test Fuzzing support
Mocking a class to simulate the implementation which you define the output of certain function
Spy on a instance to verify that a function has been called with certain parameters.
Mock or Spy on a Scene
Provides a scene runner to simulate interactions on a scene
Simulate by Input events like mouse and/or keyboard
Simulate scene processing by a certain number of frames
Simulate scene proccessing by waiting for a specific signal
Update Notifier to install latest version from GitHub
Command Line Tool [[Command-Line-Tool]]
https://github.com/MikeSchulze/gdUnit3