Converting \r\n in \n only

Closes #3244924

modules/redirect_404/tests/src/Functional/Fix404RedirectUITest.php

@@ -158,7 +158,7 @@ class Fix404RedirectUITest extends Redirect404TestBase {
     $this->clickLink('Ignore');
     $this->assertUrl('admin/config/search/redirect/settings?ignore=' . $path_to_ignore . $destination);
     $this->assertText('Resolved the path ' . $path_to_ignore . ' in the database. Please check the ignored list and save the settings.');
-    $this->assertSession()->fieldValueEquals('ignore_pages', $node_to_ignore . "\r\n/term/*\n/node/2/test");
+    $this->assertSession()->fieldValueEquals('ignore_pages', $node_to_ignore . "\n/term/*\n/node/2/test");
     $this->assertSession()->elementContains('css', '#edit-ignore-pages', $node_to_ignore);
     $this->assertSession()->elementContains('css', '#edit-ignore-pages', $terms_to_ignore);
     $this->assertSession()->elementContains('css', '#edit-ignore-pages', $path_to_ignore);
@@ -187,10 +187,10 @@ class Fix404RedirectUITest extends Redirect404TestBase {
     $this->drupalGet('admin/config/search/redirect/404');
     $this->assertText('llama_page');
     $this->clickLink('Ignore');
-    $this->assertSession()->fieldValueEquals('ignore_pages', "/node/*\r\n/term/*\n/llama_page");
+    $this->assertSession()->fieldValueEquals('ignore_pages', "/node/*\n/term/*\n/llama_page");
     $this->getSession()->getPage()->pressButton('Save configuration');
     $this->drupalGet('admin/config/search/redirect/settings');
-    $this->assertSession()->fieldValueEquals('ignore_pages', "/node/*\r\n/term/*\n/llama_page");
+    $this->assertSession()->fieldValueEquals('ignore_pages', "/node/*\n/term/*\n/llama_page");
   }
 
   /**