Elgg\SystemMessagesServiceTest::testCanDumpOneRegister PHP Method

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