Merge branch 'B2B-2100-1' of https://github.com/magento-arcticfoxes/magento2ce into B2B-2140

Author: rganin

app/code/Magento/Backend/Test/Mftf/Helper/CurlHelpers.php

@@ -7,6 +7,7 @@
 
 namespace Magento\Backend\Test\Mftf\Helper;
 
+use Magento\Framework\Filesystem\Driver\File;
 use Magento\FunctionalTestingFramework\Helper\Helper;
 
 /**
@@ -113,6 +114,28 @@ public function assertCurlResponseHeadersContainsString(
         $this->assertStringContainsString($expectedString, $curlResponse);
     }
 
+    /**
+     * Saves file to provided $targetPath with content retrieved from file by $url
+     *
+     * @param string $url
+     * @param string $targetPath File path where to save downloaded data from $url
+     * @param string $cookieName
+     * @param string|null $postBody
+     * @throws \Exception
+     */
+    public function downloadFile(
+        string $url,
+        string $targetPath,
+        string $cookieName = 'admin',
+        ?string $postBody = null
+    ): void {
+        $cookie = $this->getCookie($cookieName);
+        $content = $this->getCurlResponse($url, $cookie, $postBody);
+        $targetPath = (substr($targetPath, 0, 1) === '/') ? $targetPath : MAGENTO_BP . '/' . $targetPath;
+        $driver = new File();
+        $driver->filePutContents($targetPath, $content);
+    }
+
     /**
      * Sends a curl request with the provided URL & cookie. Returns the response
      *