Revert "AC-15054: Product Add to Cart issue in Rest API"

This reverts commit f4f04df.

Author: sumesh-GL

app/code/Magento/Quote/Test/Unit/Plugin/Webapi/ValidateProductWebsiteAssignmentTest.php

@@ -160,7 +160,7 @@ public function testBeforeSaveSuccessful()
             ->with($productId, false, $storeId)
             ->willReturn($this->productMock);
 
-        $this->productMock->expects($this->exactly(2))
+        $this->productMock->expects($this->once())
             ->method('getWebsiteIds')
             ->willReturn($productWebsiteIds);
 
@@ -226,7 +226,7 @@ public function testBeforeSaveProductNotAssignedToWebsite()
             ->with($productId, false, $storeId)
             ->willReturn($this->productMock);
 
-        $this->productMock->expects($this->exactly(2))
+        $this->productMock->expects($this->once())
             ->method('getWebsiteIds')
             ->willReturn($productWebsiteIds);
 
@@ -277,6 +277,15 @@ public function testBeforeSaveProductWebsiteIdsNotArray()
             ->method('getProductId')
             ->willReturn($productId);
 
+        $this->storeManagerMock->expects($this->once())
+            ->method('getStore')
+            ->with($storeId)
+            ->willReturn($this->storeMock);
+
+        $this->storeMock->expects($this->once())
+            ->method('getWebsiteId')
+            ->willReturn($websiteId);
+
         $this->productRepositoryMock->expects($this->once())
             ->method('getById')
             ->with($productId, false, $storeId)
@@ -286,8 +295,10 @@ public function testBeforeSaveProductWebsiteIdsNotArray()
             ->method('getWebsiteIds')
             ->willReturn($productWebsiteIds);
 
+        $this->expectException(LocalizedException::class);
+        $this->expectExceptionMessage('Product that you are trying to add is not available.');
+
         $this->plugin->beforeSave($this->cartItemRepositoryMock, $this->cartItemMock);
-        $this->assertTrue(true);
     }
 
     /**
@@ -379,7 +390,7 @@ public function testBeforeSaveMultipleWebsitesIncludingCurrent()
             ->with($productId, false, $storeId)
             ->willReturn($this->productMock);
 
-        $this->productMock->expects($this->exactly(2))
+        $this->productMock->expects($this->once())
             ->method('getWebsiteIds')
             ->willReturn($productWebsiteIds);
 
@@ -431,13 +442,28 @@ public function testBeforeSaveEmptyWebsiteIds()
             ->method('getProductId')
             ->willReturn($productId);
 
+        $this->storeManagerMock->expects($this->once())
+            ->method('getStore')
+            ->with($storeId)
+            ->willReturn($this->storeMock);
+
+        $this->storeMock->expects($this->once())
+            ->method('getWebsiteId')
+            ->willReturn($websiteId);
+
         $this->productRepositoryMock->expects($this->once())
             ->method('getById')
             ->with($productId, false, $storeId)
             ->willReturn($this->productMock);
 
+        $this->productMock->expects($this->once())
+            ->method('getWebsiteIds')
+            ->willReturn($productWebsiteIds);
+
+        $this->expectException(LocalizedException::class);
+        $this->expectExceptionMessage('Product that you are trying to add is not available.');
+
         $this->plugin->beforeSave($this->cartItemRepositoryMock, $this->cartItemMock);
-        $this->assertTrue(true);
     }
 
     /**
@@ -495,7 +521,7 @@ public function testBeforeSaveWebsiteIdZero()
             ->with($productId, false, $storeId)
             ->willReturn($this->productMock);
 
-        $this->productMock->expects($this->exactly(2))
+        $this->productMock->expects($this->once())
             ->method('getWebsiteIds')
             ->willReturn($productWebsiteIds);