33589 fix integration test

Author: silinmykola

app/code/Magento/CatalogSearch/Model/Advanced.php

@@ -212,7 +212,7 @@ public function addFilters($values)
             if ($attribute->getAttributeCode() == 'price') {
                 foreach ($value as $key => $element) {
                     if (is_array($element)) {
-                        $value[$key] = null;
+                        $value[$key] = 0;
                     }
                 }
 
@@ -374,7 +374,7 @@ protected function getPreparedSearchCriteria($attribute, $value)
         if (is_array($value)) {
             foreach ($value as $key => $element) {
                 if (is_array($element)) {
-                    $value[$key] = null;
+                    $value[$key] = '';
                 }
             }
             if (isset($value['from']) && isset($value['to'])) {

app/code/Magento/CatalogSearch/view/frontend/templates/result.phtml

@@ -4,7 +4,11 @@
  * See COPYING.txt for license details.
  */
 
-/** This changes need to valid applying filters and configuration before search process is started. */
+use Magento\CatalogSearch\Block\Result;
+
+/** These changes need to valid applying filters and configuration before search process is started. */
+
+/** @var $block  Result*/
 $productList = $block->getProductListHtml();
 ?>
 <?php if ($block->getResultCount()) : ?>

dev/tests/integration/testsuite/Magento/CatalogSearch/Controller/Advanced/ResultTest.php

@@ -140,12 +140,12 @@ public function testExecuteWithUnderscore(): void
      * @magentoAppArea frontend
      * @magentoDataFixture Magento/CatalogSearch/_files/product_for_search.php
      * @magentoDataFixture Magento/CatalogSearch/_files/full_reindex.php
-     * @dataProvider searchParamsWithArrayDataProvider
+     * @dataProvider searchParamsInArrayDataProvider
      *
      * @param array $searchParams
      * @return void
      */
-    public function testExecuteWithArrayInParams(array $searchParams): void
+    public function testExecuteWithArrayInParam(array $searchParams): void
     {
         $this->getRequest()->setQuery(
             $this->_objectManager->create(
@@ -165,14 +165,14 @@ public function testExecuteWithArrayInParams(array $searchParams): void
     }
 
     /**
-     * Data provider with arrays in param values
+     * Data provider with array in params values
      *
      * @return array
      */
-    public function searchParamsWithArrayDataProvider(): array
+    public function searchParamsInArrayDataProvider(): array
     {
         return [
-            'search_with_empty_arrays' => [
+            'search_with_from_param_is_array' => [
                 [
                     'name' => '',
                     'sku' => '',
@@ -184,6 +184,18 @@ public function searchParamsWithArrayDataProvider(): array
                     ]
                 ]
             ],
+            'search_with_to_param_is_array' => [
+                [
+                    'name' => '',
+                    'sku' => '',
+                    'description' => '',
+                    'short_description' => '',
+                    'price' => [
+                        'from' => 0,
+                        'to' => [],
+                    ]
+                ]
+            ],
             'search_with_params_in_array' => [
                 [
                     'name' => '',