public function testGetCartForCustomer()
{
$customerId = 100;
$cartMock = $this->getMock('\\Magento\\Quote\\Model\\Quote', [], [], '', false);
$this->quoteRepositoryMock->expects($this->once())->method('getActiveForCustomer')->with($customerId)->willReturn($cartMock);
$this->assertEquals($cartMock, $this->model->getCartForCustomer($customerId));
}