Fix some broken tests.

Author: demiankatz

module/VuFind/tests/integration-tests/src/VuFindTest/Mink/HoldsTest.php

@@ -180,7 +180,7 @@ protected function placeHoldAndGoToHoldsScreen(
         // Make sure we arrived where we expected to:
         $this->assertSame(
             'Your Holds and Recalls',
-            $this->findCssAndGetText($page, 'h2')
+            $this->findCssAndGetText($page, 'h1')
         );
     }
 
@@ -795,7 +795,7 @@ public function testHoldsAll(): void
         $this->waitForPageLoad($page);
         $this->assertSame(
             'Your Holds and Recalls',
-            $this->findCssAndGetText($page, 'h2')
+            $this->findCssAndGetText($page, 'h1')
         );
     }