$this->assertFalse($this->instance->isLocked('test'));
$this->assertTrue($this->instance->acquire('test', 1, 10));
$this->assertTrue($this->instance->isLocked('test'));
$this->assertFalse($this->instance->isLocked('test'));
$this->assertTrue($this->instance->acquire('test', 1, 10));
$this->assertTrue($this->instance->isLocked('test'));