diff --git a/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInJavascriptTestBase.php b/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInJavascriptTestBase.php
index 293ba81833..7817dbbf8f 100644
--- a/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInJavascriptTestBase.php
+++ b/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInJavascriptTestBase.php
@@ -33,7 +33,6 @@ protected function drupalGet($path, array $options = [], array $headers = []) {
    */
   protected function assertPageLoadComplete() {
     $web_assert = $this->assertSession();
-    $this->getSession()->wait(500);
     $this->assertAllContextualLinksLoaded();
     $web_assert->assertWaitOnAjaxRequest();
   }
diff --git a/core/scripts/run-tests.sh b/core/scripts/run-tests.sh
index d138761f9a..6328f0b366 100755
--- a/core/scripts/run-tests.sh
+++ b/core/scripts/run-tests.sh
@@ -143,7 +143,7 @@
 
 $test_list = simpletest_script_get_test_list();
 if (in_array('Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest', $test_list)) {
-  $test_list = array_fill(0, 5, 'Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest');
+  $test_list = array_fill(0, 2, 'Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest');
 } else {
   $test_list = [];
 }