MAGETWO-69527: Fix wrong store id filter #9430

Author: Oleksii Korshenko

app/code/Magento/CatalogSearch/Model/Search/FilterMapper/TermDropdownStrategy.php

@@ -101,7 +101,7 @@ public function apply(
             'search_index.entity_id = %1$s.entity_id AND %1$s.attribute_id = %2$d AND %1$s.store_id = %3$d',
             $alias,
             $attribute->getId(),
-            $this->storeManager->getWebsite()->getId()
+            $this->storeManager->getStore()->getId()
         );
         $select->joinLeft(
             [$alias => $this->frontendResource->getMainTable()],

app/code/Magento/CatalogSearch/Test/Unit/Model/Search/FilterMapper/TermDropdownStrategyTest.php

@@ -11,7 +11,7 @@
 use Magento\Framework\Search\Request\FilterInterface;
 use Magento\Store\Model\StoreManagerInterface;
 use Magento\Framework\App\Config\ScopeConfigInterface;
-use Magento\Store\Api\Data\WebsiteInterface;
+use Magento\Store\Api\Data\StoreInterface;
 use Magento\Framework\DB\Select;
 use Magento\Eav\Model\Config as EavConfig;
 use Magento\Catalog\Model\ResourceModel\Eav\Attribute;
@@ -85,7 +85,7 @@ public function testApply()
         $attribute = $this->getMockBuilder(Attribute::class)
             ->disableOriginalConstructor()
             ->getMock();
-        $website = $this->getMockBuilder(WebsiteInterface::class)
+        $store = $this->getMockBuilder(StoreInterface::class)
             ->disableOriginalConstructor()
             ->getMock();
 
@@ -99,9 +99,9 @@ public function testApply()
             ->method('getAttribute')
             ->willReturn($attribute);
         $this->storeManager->expects($this->once())
-            ->method('getWebsite')
-            ->willReturn($website);
-        $website->expects($this->once())
+            ->method('getStore')
+            ->willReturn($store);
+        $store->expects($this->once())
             ->method('getId')
             ->willReturn(1);
         $attribute->expects($this->once())