diff -u b/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php b/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php
--- b/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php
+++ b/core/modules/views/tests/src/Functional/Plugin/ArgumentDefaultTest.php
@@ -253,10 +253,10 @@
     // Check that the page is not cached with date argument default.
     $this->drupalGet('path-page-1');
     $this->assertSession()->statusCodeEquals(200);
-    self::assertEquals('UNCACHEABLE', $this->drupalGetHeader(DynamicPageCacheSubscriber::HEADER));
+    self::assertEquals('UNCACHEABLE', $this->getSession()->getResponseHeader(DynamicPageCacheSubscriber::HEADER));
     // Double check.
     $this->drupalGet('path-page-1');
-    self::assertEquals('UNCACHEABLE', $this->drupalGetHeader(DynamicPageCacheSubscriber::HEADER));
+    self::assertEquals('UNCACHEABLE', $this->getSession()->getResponseHeader(DynamicPageCacheSubscriber::HEADER));
 
     // Change the argument to some cached option.
     $view = Views::getView('test_argument_default_date');
@@ -273,9 +273,9 @@
     // Check that the page is cached without date argument default.
     $this->drupalGet('path-page-1');
     $this->assertSession()->statusCodeEquals(200);
-    self::assertEquals('MISS', $this->drupalGetHeader(DynamicPageCacheSubscriber::HEADER));
+    self::assertEquals('MISS', $this->getSession()->getResponseHeader(DynamicPageCacheSubscriber::HEADER));
     $this->drupalGet('path-page-1');
-    self::assertEquals('HIT', $this->drupalGetHeader(DynamicPageCacheSubscriber::HEADER));
+    self::assertEquals('HIT', $this->getSession()->getResponseHeader(DynamicPageCacheSubscriber::HEADER));
   }
 
 }