public function testGetRolesFetchRowFailure()
{
$uid = 123;
$this->resourceMock->expects($this->once())->method('getConnection')->willReturn($this->dbAdapterMock);
$this->userMock->expects($this->atLeastOnce())->method('getId')->willReturn($uid);
$this->dbAdapterMock->expects($this->once())->method('select')->willReturn($this->selectMock);
$this->selectMock->expects($this->once())->method('from')->willReturn($this->selectMock);
$this->selectMock->expects($this->once())->method('joinLeft')->willReturn($this->selectMock);
$this->selectMock->expects($this->once())->method('where')->willReturn($this->selectMock);
$this->dbAdapterMock->expects($this->once())->method('fetchCol')->willReturn(false);
$this->assertEquals([], $this->model->getRoles($this->userMock));
}