CakePHP 3 Example Setting a Mocked Model Instance for a Controller

sample.php

<?php
public function testResetPasswordPostRequestSaveFails() {
	$UserEntity = $this
		->getMockBuilder('\App\Model\Entity\User')
		->getMock();

	$UsersTable = $this
		->getMockBuilder('\App\Model\Table\UsersTable')
		->setMethods([
			'clearExpiredPasswordResetCodes',
		])
		->disableOriginalConstructor()
		->getMock();
	$UsersTable->expects($this->once())
		->method('clearExpiredPasswordResetCodes')
		->with()
		->will($this->returnValue($UserEntity));

	TableRegistry::remove('Users');
	TableRegistry::set('Users', $UsersTable);

	$this->get("/controller/action", $data);
	// assert whatever
}

public function controllerAction($resetcode = null) {
	$UserEntity = $this->UsersModelClass->clearExpiredPasswordResetCodes();
}