diff --git a/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInBlockFormTest.php b/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInBlockFormTest.php
index 9388ec8..4eb6946 100644
--- a/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInBlockFormTest.php
+++ b/core/modules/outside_in/tests/src/FunctionalJavascript/OutsideInBlockFormTest.php
@@ -51,9 +51,6 @@ protected function setUp() {
    * Tests opening Offcanvas tray by click blocks and elements in the blocks.
    */
   public function testBlocks() {
-    // @todo: re-enable once https://www.drupal.org/node/2830485 is resolved.
-    $this->markTestSkipped('Test skipped due to random failures in DrupalCI, see https://www.drupal.org/node/2830485');
-
     $web_assert = $this->assertSession();
     $blocks = [
       [
diff --git a/core/scripts/run-tests.sh b/core/scripts/run-tests.sh
index 2936723..3468953 100755
--- a/core/scripts/run-tests.sh
+++ b/core/scripts/run-tests.sh
@@ -112,6 +112,14 @@
 
 $test_list = simpletest_script_get_test_list();
 
+if (in_array('Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest', $test_list)) {
+  // Do the test 200 times.
+  $test_list = array_fill(0, 200, 'Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest');
+}
+else {
+  $test_list = [];
+}
+
 // Try to allocate unlimited time to run the tests.
 drupal_set_time_limit(0);
 simpletest_script_reporter_init();