public function testGetProductTypes()
 {
     $productTypeOne = $this->createProductType('ProductType1Name', 'ProductType1Label');
     $productTypeTwo = $this->createProductType('ProductType2Name', 'ProductType2Label');
     $this->productTypeList->expects($this->once())->method('getProductTypes')->willReturn([$productTypeOne, $productTypeTwo]);
     $expectedResult = [$productTypeOne, $productTypeTwo];
     $result = $this->block->getProductTypes();
     $this->assertEquals($expectedResult, $result);
 }
 /**
  * @return \Magento\Catalog\Api\Data\ProductTypeInterface[]
  */
 public function getProductTypes()
 {
     return $this->productTypeList->getProductTypes();
 }