diff --git a/modules/checkout/src/Plugin/Commerce/CheckoutPane/BillingInformation.php b/modules/checkout/src/Plugin/Commerce/CheckoutPane/BillingInformation.php
index d3a4edf..d2fa9c4 100644
--- a/modules/checkout/src/Plugin/Commerce/CheckoutPane/BillingInformation.php
+++ b/modules/checkout/src/Plugin/Commerce/CheckoutPane/BillingInformation.php
@@ -54,7 +54,6 @@ class BillingInformation extends CheckoutPaneBase implements CheckoutPaneInterfa
     $this->order->setBillingProfile($pane_form['profile']['#profile']);
   }
 
-
   /**
    * Gets the billing profile.
    *
diff --git a/modules/order/src/Element/ProfileSelect.php b/modules/order/src/Element/ProfileSelect.php
index 946a09b..13ffc45 100644
--- a/modules/order/src/Element/ProfileSelect.php
+++ b/modules/order/src/Element/ProfileSelect.php
@@ -115,8 +115,6 @@ class ProfileSelect extends RenderElement {
    *   The form element being processed.
    * @param \Drupal\Core\Form\FormStateInterface $form_state
    *   The current state of the form.
-   * @param array $complete_form
-   *   The complete form structure.
    *
    * @return array
    *   The processed form element.
diff --git a/modules/order/tests/src/Functional/OrderAdminTest.php b/modules/order/tests/src/Functional/OrderAdminTest.php
index 9476000..104a404 100644
--- a/modules/order/tests/src/Functional/OrderAdminTest.php
+++ b/modules/order/tests/src/Functional/OrderAdminTest.php
@@ -6,6 +6,7 @@ use Drupal\commerce_order\Adjustment;
 use Drupal\commerce_order\Entity\Order;
 use Drupal\commerce_price\Price;
 use Drupal\profile\Entity\Profile;
+use Drupal\Tests\commerce\FunctionalJavascript\JavascriptTestTrait;
 
 /**
  * Tests the commerce_order entity forms.
@@ -14,28 +15,14 @@ use Drupal\profile\Entity\Profile;
  */
 class OrderAdminTest extends OrderBrowserTestBase {
 
-  /**
-   * The profile to test against.
-   *
-   * @var \Drupal\profile\Entity\Profile
-   */
-  protected $billingProfile;
+  use JavascriptTestTrait;
 
   /**
    * {@inheritdoc}
    */
-  protected function setUp() {
-    parent::setUp();
-    \Drupal::service('module_installer')->install(['profile']);
-
-    $profile_values = [
-      'type' => 'customer',
-      'uid' => 1,
-      'status' => 1,
-    ];
-    $this->billingProfile = Profile::create($profile_values);
-    $this->billingProfile->save();
-  }
+  public static $modules = [
+    'profile',
+  ];
 
   /**
    * Tests creating/editing an Order.
@@ -43,6 +30,9 @@ class OrderAdminTest extends OrderBrowserTestBase {
    * @group failing
    */
   public function testCreateOrder() {
+    $assert = $this->assertSession();
+    $page = $this->getSession()->getPage();
+
     // Create an order through the add form.
     $this->drupalGet('/admin/commerce/orders');
     $this->getSession()->getPage()->clickLink('Create a new order');
@@ -55,7 +45,8 @@ class OrderAdminTest extends OrderBrowserTestBase {
 
     // Check the integrity of the edit form.
     $this->assertSession()->statusCodeEquals(200);
-    $this->assertSession()->fieldExists('billing_profile[0][profile][address][0][address][given_name]');
+    $input = $page->find('named', ['id_or_name', 'profile[address][0][address][country_code]']);
+    $this->assertNotEmpty($input, sprintf('%s was not found', 'country_code'));
     $this->assertSession()->fieldExists('order_items[form][inline_entity_form][purchased_entity][0][target_id]');
     $this->assertSession()->fieldExists('order_items[form][inline_entity_form][quantity][0][value]');
     $this->assertSession()->fieldExists('order_items[form][inline_entity_form][unit_price][0][amount][number]');
@@ -91,16 +82,26 @@ class OrderAdminTest extends OrderBrowserTestBase {
       'order_items[form][inline_entity_form][entities][0][form][unit_price][0][amount][number]' => '1.11',
     ];
     $this->submitForm($edit, 'Update order item');
-    $edit = [
-      'billing_profile[0][profile][address][0][address][given_name]' => 'John',
-      'billing_profile[0][profile][address][0][address][family_name]' => 'Smith',
-      'billing_profile[0][profile][address][0][address][address_line1]' => '123 street',
-      'billing_profile[0][profile][address][0][address][postal_code]' => '94043',
-      'billing_profile[0][profile][address][0][address][locality]' => 'Mountain View',
-      'billing_profile[0][profile][address][0][address][administrative_area]' => 'CA',
-    ];
+
     // There is no adjustment - the order should save successfully.
-    $this->submitForm($edit, 'Save');
+    $input = $page->find('named', ['id_or_name', 'profile[address][0][address][country_code]']);
+    $this->assertNotEmpty($input, sprintf('%s was not found', 'country_code'));
+    $input->setValue('US');
+    $this->waitForAjaxToFinish();
+    $address = [
+      'postal_code' => '53177',
+      'locality' => 'Milwaukee',
+      'address_line1' => 'Pabst Blue Ribbon Dr',
+      'administrative_area' => 'WI',
+      'given_name' => 'Frederick',
+      'family_name' => 'Pabst',
+    ];
+    foreach ($address as $key => $value) {
+      $input = $page->find('named', ['id_or_name', "profile[address][0][address][$key]"]);
+      $this->assertNotEmpty($input, sprintf('%s was not found', $key));
+      $input->setValue($value);
+    }
+    $this->submitForm([], 'Save');
     $this->assertSession()->pageTextContains('The order has been successfully saved.');
 
     // Use an adjustment that is not locked by default.
diff --git a/modules/order/tests/src/FunctionalJavascript/ProfileSelectTest.php b/modules/order/tests/src/FunctionalJavascript/ProfileSelectTest.php
index f2f5351..8722252 100644
--- a/modules/order/tests/src/FunctionalJavascript/ProfileSelectTest.php
+++ b/modules/order/tests/src/FunctionalJavascript/ProfileSelectTest.php
@@ -212,7 +212,7 @@ class ProfileSelectTest extends CommerceBrowserTestBase {
     $this->clickLink('Add new profile');
     $this->assertNotEmpty($assert->waitForElementVisible('css', '.ui-dialog'));
     $assert->elementContains('css', 'span.ui-dialog-title', 'Create Customer');
-    $input = $page->find('named', ['id_or_name', 'profile[address][0][address][country_code]']);
+    $input = $page->find('named', ['id_or_name', 'address[0][address][country_code]']);
     $this->assertNotEmpty($input, sprintf('%s was not found', 'country_code'));
     $input->setValue($this->address1['country_code']);
     $this->waitForAjaxToFinish();
@@ -307,13 +307,13 @@ class ProfileSelectTest extends CommerceBrowserTestBase {
   /**
    * Click a modal submit button.
    *
+   * @param string $text
+   *   The button text.
+   *
    * @todo: Switch to using NodeElement::click() on the button or
    * NodeElement::submit() on the form when #2831506 is fixed.
    *
    * @see https://www.drupal.org/node/2831506
-   *
-   * @param string $text
-   *   The button text.
    */
   protected function clickModalSubmit($text) {
     $this->waitForAjaxToFinish();
diff --git a/modules/payment/tests/src/FunctionalJavascript/PaymentCheckoutTest.php b/modules/payment/tests/src/FunctionalJavascript/PaymentCheckoutTest.php
index 099b70e..75505b5 100644
--- a/modules/payment/tests/src/FunctionalJavascript/PaymentCheckoutTest.php
+++ b/modules/payment/tests/src/FunctionalJavascript/PaymentCheckoutTest.php
@@ -34,6 +34,13 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
   protected $product;
 
   /**
+   * The profile.
+   *
+   * @var \Drupal\profile\Entity\ProfileInterface
+   */
+  protected $profile;
+
+  /**
    * A non-reusable order payment method.
    *
    * @var \Drupal\commerce_payment\Entity\PaymentMethodInterface
@@ -148,7 +155,7 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
     ]);
     $gateway->save();
 
-    $profile = $this->createEntity('profile', [
+    $this->profile = $this->createEntity('profile', [
       'type' => 'customer',
       'address' => [
         'country_code' => 'US',
@@ -167,11 +174,11 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
       'payment_gateway' => 'onsite',
       'card_type' => 'visa',
       'card_number' => '1111',
-      'billing_profile' => $profile,
+      'billing_profile' => $this->profile,
       'reusable' => TRUE,
       'expires' => strtotime('2028/03/24'),
     ]);
-    $payment_method->setBillingProfile($profile);
+    $payment_method->setBillingProfile($this->profile);
     $payment_method->save();
 
     $this->orderPaymentMethod = $this->createEntity('commerce_payment_method', [
@@ -236,7 +243,7 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
     $this->drupalGet('checkout/1');
     $radio_button = $page->findField('Example');
     $this->assertNull($radio_button);
-    $this->assertSession()->fieldExists('payment_information[billing_information][address][0][address][postal_code]');
+    $this->assertEquals($page->findField('Select a profile')->getValue(), $this->profile->id());
   }
 
   /**
@@ -289,17 +296,25 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
     $radio_button->click();
     $this->waitForAjaxToFinish();
 
+    $profile = $this->createEntity('profile', [
+      'type' => 'customer',
+      'address' => [
+        'country_code' => 'US',
+        'postal_code' => '10001',
+        'locality' => 'New York City',
+        'address_line1' => '123 New York Drive',
+        'administrative_area' => 'NY',
+        'given_name' => 'Johnny',
+        'family_name' => 'Appleseed',
+      ],
+      'uid' => $this->adminUser->id(),
+    ]);
+    $this->getSession()->getPage()->fillField('Select a profile', $profile->id());
     $this->submitForm([
       'payment_information[add_payment_method][payment_details][number]' => '4012888888881881',
       'payment_information[add_payment_method][payment_details][expiration][month]' => '02',
       'payment_information[add_payment_method][payment_details][expiration][year]' => '2020',
       'payment_information[add_payment_method][payment_details][security_code]' => '123',
-      'payment_information[add_payment_method][billing_information][address][0][address][given_name]' => 'Johnny',
-      'payment_information[add_payment_method][billing_information][address][0][address][family_name]' => 'Appleseed',
-      'payment_information[add_payment_method][billing_information][address][0][address][address_line1]' => '123 New York Drive',
-      'payment_information[add_payment_method][billing_information][address][0][address][locality]' => 'New York City',
-      'payment_information[add_payment_method][billing_information][address][0][address][administrative_area]' => 'NY',
-      'payment_information[add_payment_method][billing_information][address][0][address][postal_code]' => '10001',
     ], 'Continue to review');
     $this->assertSession()->pageTextContains('Payment information');
     $this->assertSession()->pageTextContains('Visa ending in 1881');
@@ -334,17 +349,25 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
     $radio_button->click();
     $this->waitForAjaxToFinish();
 
+    $profile = $this->createEntity('profile', [
+      'type' => 'customer',
+      'address' => [
+        'country_code' => 'US',
+        'postal_code' => '10001',
+        'locality' => 'New York City',
+        'address_line1' => '123 New York Drive',
+        'administrative_area' => 'NY',
+        'given_name' => 'Johnny',
+        'family_name' => 'Appleseed',
+      ],
+      'uid' => $this->adminUser->id(),
+    ]);
+    $this->getSession()->getPage()->fillField('Select a profile', $profile->id());
     $this->submitForm([
       'payment_information[add_payment_method][payment_details][number]' => '4111111111111111',
       'payment_information[add_payment_method][payment_details][expiration][month]' => '02',
       'payment_information[add_payment_method][payment_details][expiration][year]' => '2020',
       'payment_information[add_payment_method][payment_details][security_code]' => '123',
-      'payment_information[add_payment_method][billing_information][address][0][address][given_name]' => 'Johnny',
-      'payment_information[add_payment_method][billing_information][address][0][address][family_name]' => 'Appleseed',
-      'payment_information[add_payment_method][billing_information][address][0][address][address_line1]' => '123 New York Drive',
-      'payment_information[add_payment_method][billing_information][address][0][address][locality]' => 'Somewhere',
-      'payment_information[add_payment_method][billing_information][address][0][address][administrative_area]' => 'WI',
-      'payment_information[add_payment_method][billing_information][address][0][address][postal_code]' => '53140',
     ], 'Continue to review');
     $this->assertSession()->pageTextContains('Payment information');
     $this->assertSession()->pageTextContains('Visa ending in 1111');
@@ -372,14 +395,21 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
     $radio_button->click();
     $this->waitForAjaxToFinish();
 
-    $this->submitForm([
-      'payment_information[billing_information][address][0][address][given_name]' => 'Johnny',
-      'payment_information[billing_information][address][0][address][family_name]' => 'Appleseed',
-      'payment_information[billing_information][address][0][address][address_line1]' => '123 New York Drive',
-      'payment_information[billing_information][address][0][address][locality]' => 'New York City',
-      'payment_information[billing_information][address][0][address][administrative_area]' => 'NY',
-      'payment_information[billing_information][address][0][address][postal_code]' => '10001',
-    ], 'Continue to review');
+    $profile = $this->createEntity('profile', [
+      'type' => 'customer',
+      'address' => [
+        'country_code' => 'US',
+        'postal_code' => '10001',
+        'locality' => 'New York City',
+        'address_line1' => '123 New York Drive',
+        'administrative_area' => 'NY',
+        'given_name' => 'Johnny',
+        'family_name' => 'Appleseed',
+      ],
+      'uid' => $this->adminUser->id(),
+    ]);
+    $this->getSession()->getPage()->fillField('Select a profile', $profile->id());
+    $this->submitForm([], 'Continue to review');
     $this->assertSession()->pageTextContains('Payment information');
     $this->assertSession()->pageTextContains('Example');
     $this->assertSession()->pageTextContains('Johnny Appleseed');
@@ -417,14 +447,21 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
     $radio_button->click();
     $this->waitForAjaxToFinish();
 
-    $this->submitForm([
-      'payment_information[billing_information][address][0][address][given_name]' => 'Johnny',
-      'payment_information[billing_information][address][0][address][family_name]' => 'Appleseed',
-      'payment_information[billing_information][address][0][address][address_line1]' => '123 New York Drive',
-      'payment_information[billing_information][address][0][address][locality]' => 'New York City',
-      'payment_information[billing_information][address][0][address][administrative_area]' => 'NY',
-      'payment_information[billing_information][address][0][address][postal_code]' => '10001',
-    ], 'Continue to review');
+    $profile = $this->createEntity('profile', [
+      'type' => 'customer',
+      'address' => [
+        'country_code' => 'US',
+        'postal_code' => '10001',
+        'locality' => 'New York City',
+        'address_line1' => '123 New York Drive',
+        'administrative_area' => 'NY',
+        'given_name' => 'Johnny',
+        'family_name' => 'Appleseed',
+      ],
+      'uid' => $this->adminUser->id(),
+    ]);
+    $this->getSession()->getPage()->fillField('Select a profile', $profile->id());
+    $this->submitForm([], 'Continue to review');
     $this->assertSession()->pageTextContains('Payment information');
     $this->assertSession()->pageTextContains('Example');
     $this->assertSession()->pageTextContains('Johnny Appleseed');
@@ -473,14 +510,21 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
     $this->submitForm([], 'Add to cart');
     $this->drupalGet('checkout/1');
 
-    $this->submitForm([
-      'payment_information[billing_information][address][0][address][given_name]' => 'Johnny',
-      'payment_information[billing_information][address][0][address][family_name]' => 'Appleseed',
-      'payment_information[billing_information][address][0][address][address_line1]' => '123 New York Drive',
-      'payment_information[billing_information][address][0][address][locality]' => 'New York City',
-      'payment_information[billing_information][address][0][address][administrative_area]' => 'NY',
-      'payment_information[billing_information][address][0][address][postal_code]' => '10001',
-    ], 'Continue to review');
+    $profile = $this->createEntity('profile', [
+      'type' => 'customer',
+      'address' => [
+        'country_code' => 'US',
+        'postal_code' => '10001',
+        'locality' => 'New York City',
+        'address_line1' => '123 New York Drive',
+        'administrative_area' => 'NY',
+        'given_name' => 'Johnny',
+        'family_name' => 'Appleseed',
+      ],
+      'uid' => $this->adminUser->id(),
+    ]);
+    $this->getSession()->getPage()->fillField('Select a profile', $profile->id());
+    $this->submitForm([], 'Continue to review');
     $this->assertSession()->pageTextContains('Payment information');
     $this->assertSession()->pageTextContains('Example');
     $this->assertSession()->pageTextContains('Johnny Appleseed');
@@ -517,14 +561,21 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
     $radio_button->click();
     $this->waitForAjaxToFinish();
 
-    $this->submitForm([
-      'payment_information[billing_information][address][0][address][given_name]' => 'Johnny',
-      'payment_information[billing_information][address][0][address][family_name]' => 'FAIL',
-      'payment_information[billing_information][address][0][address][address_line1]' => '123 New York Drive',
-      'payment_information[billing_information][address][0][address][locality]' => 'New York City',
-      'payment_information[billing_information][address][0][address][administrative_area]' => 'NY',
-      'payment_information[billing_information][address][0][address][postal_code]' => '10001',
-    ], 'Continue to review');
+    $profile = $this->createEntity('profile', [
+      'type' => 'customer',
+      'address' => [
+        'country_code' => 'US',
+        'postal_code' => '10001',
+        'locality' => 'New York City',
+        'address_line1' => '123 New York Drive',
+        'administrative_area' => 'NY',
+        'given_name' => 'Johnny',
+        'family_name' => 'Appleseed',
+      ],
+      'uid' => $this->adminUser->id(),
+    ]);
+    $this->getSession()->getPage()->fillField('Select a profile', $profile->id());
+    $this->submitForm([], 'Continue to review');
     $this->assertSession()->pageTextContains('Payment information');
     $this->assertSession()->pageTextContains('Example');
     $this->assertSession()->pageTextContains('Johnny FAIL');
@@ -553,14 +604,21 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
     $radio_button->click();
     $this->waitForAjaxToFinish();
 
-    $this->submitForm([
-      'payment_information[billing_information][address][0][address][given_name]' => 'Johnny',
-      'payment_information[billing_information][address][0][address][family_name]' => 'Appleseed',
-      'payment_information[billing_information][address][0][address][address_line1]' => '123 New York Drive',
-      'payment_information[billing_information][address][0][address][locality]' => 'New York City',
-      'payment_information[billing_information][address][0][address][administrative_area]' => 'NY',
-      'payment_information[billing_information][address][0][address][postal_code]' => '10001',
-    ], 'Continue to review');
+    $profile = $this->createEntity('profile', [
+      'type' => 'customer',
+      'address' => [
+        'country_code' => 'US',
+        'postal_code' => '10001',
+        'locality' => 'New York City',
+        'address_line1' => '123 New York Drive',
+        'administrative_area' => 'NY',
+        'given_name' => 'Johnny',
+        'family_name' => 'Appleseed',
+      ],
+      'uid' => $this->adminUser->id(),
+    ]);
+    $this->getSession()->getPage()->fillField('Select a profile', $profile->id());
+    $this->submitForm([], 'Continue to review');
     $this->assertSession()->pageTextContains('Payment information');
     $this->assertSession()->pageTextContains('Example');
     $this->assertSession()->pageTextContains('Johnny Appleseed');
@@ -595,17 +653,24 @@ class PaymentCheckoutTest extends CommerceBrowserTestBase {
     ]));
     $order->save();
 
+    $profile = $this->createEntity('profile', [
+      'type' => 'customer',
+      'address' => [
+        'country_code' => 'US',
+        'postal_code' => '10001',
+        'locality' => 'New York City',
+        'address_line1' => '123 New York Drive',
+        'administrative_area' => 'NY',
+        'given_name' => 'Johnny',
+        'family_name' => 'Appleseed',
+      ],
+      'uid' => $this->adminUser->id(),
+    ]);
+    $this->getSession()->getPage()->fillField('Select a profile', $profile->id());
     $this->drupalGet('checkout/1');
     $this->assertSession()->pageTextContains('Billing information');
     $this->assertSession()->pageTextNotContains('Payment information');
-    $this->submitForm([
-      'payment_information[billing_information][address][0][address][given_name]' => 'Johnny',
-      'payment_information[billing_information][address][0][address][family_name]' => 'Appleseed',
-      'payment_information[billing_information][address][0][address][address_line1]' => '123 New York Drive',
-      'payment_information[billing_information][address][0][address][locality]' => 'New York City',
-      'payment_information[billing_information][address][0][address][administrative_area]' => 'NY',
-      'payment_information[billing_information][address][0][address][postal_code]' => '10001',
-    ], 'Continue to review');
+    $this->submitForm([], 'Continue to review');
 
     $this->assertSession()->pageTextContains('Billing information');
     $this->assertSession()->pageTextNotContains('Payment information');
diff --git a/modules/promotion/tests/src/FunctionalJavascript/CouponRedemptionPaneTest.php b/modules/promotion/tests/src/FunctionalJavascript/CouponRedemptionPaneTest.php
index 8cbf9a3..7376133 100644
--- a/modules/promotion/tests/src/FunctionalJavascript/CouponRedemptionPaneTest.php
+++ b/modules/promotion/tests/src/FunctionalJavascript/CouponRedemptionPaneTest.php
@@ -34,6 +34,13 @@ class CouponRedemptionPaneTest extends CommerceBrowserTestBase {
   protected $cartManager;
 
   /**
+   * The profile.
+   *
+   * @var \Drupal\profile\Entity\ProfileInterface
+   */
+  protected $profile;
+
+  /**
    * The promotion.
    *
    * @var \Drupal\commerce_promotion\Entity\PromotionInterface
@@ -125,7 +132,7 @@ class CouponRedemptionPaneTest extends CommerceBrowserTestBase {
     ]);
     $onsite_gateway->save();
 
-    $profile = $this->createEntity('profile', [
+    $this->profile = $this->createEntity('profile', [
       'type' => 'customer',
       'address' => [
         'country_code' => 'US',
@@ -283,24 +290,31 @@ class CouponRedemptionPaneTest extends CommerceBrowserTestBase {
    * Tests that adding/removing coupons does not submit other panes.
    */
   public function testCheckoutSubmit() {
+    $page = $this->getSession()->getPage();
     // Start checkout, and enter billing information.
     $this->drupalGet(Url::fromRoute('commerce_checkout.form', ['commerce_order' => $this->cart->id()]));
     $this->getSession()->getPage()->findField('Example')->check();
     $this->waitForAjaxToFinish();
-    $this->submitForm([
-      'payment_information[billing_information][address][0][address][given_name]' => 'Johnny',
-      'payment_information[billing_information][address][0][address][family_name]' => 'Appleseed',
-      'payment_information[billing_information][address][0][address][address_line1]' => '123 New York Drive',
-      'payment_information[billing_information][address][0][address][locality]' => 'New York City',
-      'payment_information[billing_information][address][0][address][administrative_area]' => 'NY',
-      'payment_information[billing_information][address][0][address][postal_code]' => '10001',
-    ], 'Continue to review');
+
+    $this->assertEquals($page->findField('Select a profile')->getValue(), $this->profile->id());
+    $this->submitForm([], 'Continue to review');
 
     // Go back and edit the billing information, but don't submit it.
     $this->getSession()->getPage()->clickLink('Go back');
-    $address_prefix = 'payment_information[billing_information][address][0][address]';
-    $this->getSession()->getPage()->fillField($address_prefix . '[given_name]', 'John');
-    $this->getSession()->getPage()->fillField($address_prefix . '[family_name]', 'Smith');
+    $profile = $this->createEntity('profile', [
+      'type' => 'customer',
+      'address' => [
+        'country_code' => 'US',
+        'postal_code' => '10001',
+        'locality' => 'New York City',
+        'address_line1' => '123 New York Drive',
+        'administrative_area' => 'NY',
+        'given_name' => 'Johnny',
+        'family_name' => 'Appleseed',
+      ],
+      'uid' => $this->adminUser->id(),
+    ]);
+    $this->getSession()->getPage()->fillField('Select a profile', $profile->id());
 
     // Add a coupon.
     $coupons = $this->promotion->getCoupons();