Resolve #3413549 "Fix functional javascript 8 2"

Closes #3413549

modules/cart/tests/src/FunctionalJavascript/MultipleCartFormsTest.php

@@ -169,10 +169,9 @@ class MultipleCartFormsTest extends CartWebDriverTestBase {
     $forms = $this->getSession()->getPage()->findAll('css', '.commerce-order-item-add-to-cart-form');
     $current_form = $forms[0];
     $current_form->fillField('quantity[0][value]', '2');
+    // Values already selected, no ajax request expected.
     $current_form->selectFieldOption('Color', 'Red');
-    $this->assertSession()->assertWaitOnAjaxRequest();
     $current_form->selectFieldOption('Size', 'Small');
-    $this->assertSession()->assertWaitOnAjaxRequest();
     $current_form->selectFieldOption('Color', 'Blue');
     $this->assertSession()->assertWaitOnAjaxRequest();
     $forms[1]->selectFieldOption('Size', 'Large');