public function testSequentialProcess()
{
$a = new A();
$b = new B();
$sequentialProcess = new TestSequentialProcess($a, $b);
$sequentialProcess->run('stepA', array('b' => 'x'));
$this->assertEquals('stepB', $sequentialProcess->getNextStep());
$this->assertEquals(array('subStep' => 1), $sequentialProcess->getNextParams());
$this->assertEquals('Step B Message', $sequentialProcess->getNextMessage());
}
