Fix typos in variable name

Author: akiojalehto

app/code/Magento/Msrp/Test/Unit/Ui/DataProvider/Product/Listing/Collector/MsrpPriceTest.php

@@ -97,7 +97,7 @@ public function testCollect()
         $productRenderInfoDto->expects($this->once())
             ->method('getPriceInfo')
             ->willReturn($productPriceInfo);
-        $extensionAttirbutes = $this->getMockBuilder(
+        $extensionAttributes = $this->getMockBuilder(
             \Magento\Catalog\Api\Data\ProductRender\PriceInfoExtensionInterface::class
         )
             ->setMethods(['setMsrp'])
@@ -113,14 +113,14 @@ public function testCollect()
         $this->adjustmentCalculator->expects($this->once())
             ->method('getAmount')
             ->willReturn($amountInterface);
-        $extensionAttirbutes->expects($this->once())
+        $extensionAttributes->expects($this->once())
             ->method('setMsrp');
         $this->msrpPriceInfoFactory->expects($this->once())
             ->method('create')
             ->willReturn($priceInfo);
         $this->priceInfoExtensionFactory->expects($this->once())
             ->method('create')
-            ->willReturn($extensionAttirbutes);
+            ->willReturn($extensionAttributes);
         $price = $this->getMockBuilder(\Magento\Msrp\Pricing\Price\MsrpPrice::class)
             ->disableOriginalConstructor()
             ->getMock();