function testCanStoreAndDumpMessages()
{
$this->svc->addSuccessMessage('s1');
$this->svc->addSuccessMessage(['s2', 's3']);
$this->svc->addErrorMessage('e1');
$this->svc->addErrorMessage(['e2', 'e3']);
$this->assertEquals(['success' => ['s1', 's2', 's3'], 'error' => ['e1', 'e2', 'e3']], $this->svc->dumpRegister());
$this->assertEmpty($this->svc->dumpRegister());
}