Issue #2249723 by andrei.dincu: Replace variable_set() with D8 code in...

Issue #2249723 by andrei.dincu: Replace variable_set() with D8 code in XmlSitemapUnitTest and XmlSitemapTestHelper

src/Tests/XmlSitemapTestHelper.php

@@ -200,7 +200,7 @@ class XmlSitemapTestHelper extends WebTestBase {
     $value = xmlsitemap_var($variable);
 
     if ($reset_if_true && $value) {
-      variable_set('xmlsitemap_' . $variable, FALSE);
+      \Drupal::config('xmlsitemap.settings')->set($variable, FALSE);
     }
 
     return $this->assertEqual($value, $assert_value, "xmlsitemap_$variable is " . ($assert_value ? 'TRUE' : 'FALSE'));

src/Tests/XmlSitemapUnitTest.php

@@ -23,7 +23,7 @@ class XmlSitemapUnitTest extends XmlSitemapTestHelper {
   }
 
   public function testAssertFlag() {
-    variable_set('xmlsitemap_rebuild_needed', TRUE);
+    \Drupal::config('xmlsitemap.settings')->set('rebuild_needed', TRUE);
     $this->assertTrue(xmlsitemap_var('rebuild_needed'));
     $this->assertTrue($this->assertFlag('rebuild_needed', TRUE, FALSE));
     $this->assertTrue(xmlsitemap_var('rebuild_needed'));
@@ -72,7 +72,7 @@ class XmlSitemapUnitTest extends XmlSitemapTestHelper {
    */
   public function testGetChunkCount() {
     // Set a low chunk size for testing.
-    variable_set('xmlsitemap_chunk_size', 4);
+    \Drupal::config('xmlsitemap.settings')->set('chunk_size', 4);
 
     // Make the total number of links just equal to the chunk size.
     $count = db_query("SELECT COUNT(id) FROM {xmlsitemap}")->fetchField();