Issue #3187949 by ayushmishra206, blazey, jibran, longwave, Kristen Pol: Move...

Issue #3187949 by ayushmishra206, blazey, jibran, longwave, Kristen Pol: Move cssSelectToXpath from BrowserTestBase to UiHelperTrait

core/tests/Drupal/Tests/BrowserTestBase.php

@@ -24,7 +24,6 @@
 use GuzzleHttp\Cookie\CookieJar;
 use PHPUnit\Framework\TestCase;
 use Symfony\Bridge\PhpUnit\ExpectDeprecationTrait;
-use Symfony\Component\CssSelector\CssSelectorConverter;
 use Symfony\Component\VarDumper\VarDumper;
 
 /**
@@ -582,25 +581,6 @@ public function __sleep() {
     return [];
   }
 
-  /**
-   * Translates a CSS expression to its XPath equivalent.
-   *
-   * The search is relative to the root element (HTML tag normally) of the page.
-   *
-   * @param string $selector
-   *   CSS selector to use in the search.
-   * @param bool $html
-   *   (optional) Enables HTML support. Disable it for XML documents.
-   * @param string $prefix
-   *   (optional) The prefix for the XPath expression.
-   *
-   * @return string
-   *   The equivalent XPath of a CSS expression.
-   */
-  protected function cssSelectToXpath($selector, $html = TRUE, $prefix = 'descendant-or-self::') {
-    return (new CssSelectorConverter($html))->toXPath($selector, $prefix);
-  }
-
   /**
    * Performs an xpath search on the contents of the internal browser.
    *

core/tests/Drupal/Tests/UiHelperTrait.php

@@ -11,6 +11,7 @@
 use Drupal\Core\Session\AnonymousUserSession;
 use Drupal\Core\Test\RefreshVariablesTrait;
 use Drupal\Core\Url;
+use Symfony\Component\CssSelector\CssSelectorConverter;
 
 /**
  * Provides UI helper methods.
@@ -557,6 +558,25 @@ protected function cssSelect($selector) {
     return $this->getSession()->getPage()->findAll('css', $selector);
   }
 
+  /**
+   * Translates a CSS expression to its XPath equivalent.
+   *
+   * The search is relative to the root element (HTML tag normally) of the page.
+   *
+   * @param string $selector
+   *   CSS selector to use in the search.
+   * @param bool $html
+   *   (optional) Enables HTML support. Disable it for XML documents.
+   * @param string $prefix
+   *   (optional) The prefix for the XPath expression.
+   *
+   * @return string
+   *   The equivalent XPath of a CSS expression.
+   */
+  protected function cssSelectToXpath($selector, $html = TRUE, $prefix = 'descendant-or-self::') {
+    return (new CssSelectorConverter($html))->toXPath($selector, $prefix);
+  }
+
   /**
    * Determines if test is using DrupalTestBrowser.
    *