/**
  * @expectedException \Magento\Framework\Exception\NoSuchEntityException
  * @expectedExceptionMessage Requested option doesn't exist: 3
  */
 public function testGetOptionIdNotFound()
 {
     $productSku = "configurable";
     $optionId = 3;
     $this->productRepositoryMock->expects($this->once())->method('get')->with($productSku)->willReturn($this->productMock);
     $this->productMock->expects($this->once())->method('getTypeId')->willReturn(\Magento\ConfigurableProduct\Model\Product\Type\Configurable::TYPE_CODE);
     $optionMock = $this->getMock('\\Magento\\ConfigurableProduct\\Api\\Data\\OptionInterface');
     $optionMock->expects($this->once())->method('getId')->willReturn(6);
     $productExtensionMock = $this->getMockBuilder('\\Magento\\Catalog\\Api\\Data\\ProductExtension')->setMethods(['getConfigurableProductOptions'])->getMock();
     $productExtensionMock->expects($this->once())->method('getConfigurableProductOptions')->willReturn([$optionMock]);
     $this->productMock->expects($this->once())->method('getExtensionAttributes')->willReturn($productExtensionMock);
     $this->model->get($productSku, $optionId);
 }
 /**
  * @expectedException \Magento\Framework\Exception\NoSuchEntityException
  * @expectedExceptionMessage Requested option doesn't exist: 3
  */
 public function testGetEmptyExtensionAttribute()
 {
     $optionId = 3;
     $productSku = "configurable";
     $this->productMock->expects(self::once())->method('getTypeId')->willReturn(Configurable::TYPE_CODE);
     $this->productRepositoryMock->expects(self::once())->method('get')->with($productSku)->willReturn($this->productMock);
     $optionMock = $this->getMock(OptionInterface::class);
     $optionMock->expects(self::never())->method('getId');
     $this->optionLoader->expects(self::once())->method('load')->with($this->productMock)->willReturn([]);
     $this->model->get($productSku, $optionId);
 }