diff -u b/modules/commerce/tests/src/Functional/d7/MigrateUpgradeCommerce1Test.php b/modules/commerce/tests/src/Functional/d7/MigrateUpgradeCommerce1Test.php
--- b/modules/commerce/tests/src/Functional/d7/MigrateUpgradeCommerce1Test.php
+++ b/modules/commerce/tests/src/Functional/d7/MigrateUpgradeCommerce1Test.php
@@ -2,10 +2,8 @@
 
 namespace Drupal\Tests\commerce_migrate_commerce\Functional\d7;
 
-use Drupal\Core\Database\Database;
 use Drupal\migrate\Plugin\MigrateIdMapInterface;
-use Drupal\migrate_drupal\MigrationConfigurationTrait;
-use Drupal\Tests\BrowserTestBase;
+use Drupal\Tests\migrate_drupal_ui\Functional\MigrateUpgradeTestBase;
 
 /**
  * Tests Commerce 1 upgrade using the migrate UI.
@@ -17,23 +15,7 @@
  * @group commerce_migrate
  * @group commerce_migrate_commerce_d7
  */
-class MigrateUpgradeCommerce1Test extends BrowserTestBase {
-
-  use MigrationConfigurationTrait;
-
-  /**
-   * Use the Standard profile to test help implementations of many core modules.
-   *
-   * @var string
-   */
-  protected $profile = 'standard';
-
-  /**
-   * The source database connection.
-   *
-   * @var \Drupal\Core\Database\Connection
-   */
-  protected $sourceDatabase;
+class MigrateUpgradeCommerce1Test extends MigrateUpgradeTestBase {
 
   /**
    * Modules to enable.
@@ -91,81 +73,14 @@
    */
   protected function setUp() {
     parent::setUp();
-    $this->createMigrationConnection();
-    $this->sourceDatabase = Database::getConnection('default', 'migrate_drupal_ui');
-
-    // Log in as user 1. Migrations in the UI can only be performed as user 1.
-    $this->drupalLogin($this->rootUser);
-
     $this->loadFixture(drupal_get_path('module', 'commerce_migrate_commerce') . '/tests/fixtures/ck2.php');
   }
 
   /**
-   * Loads a database fixture into the source database connection.
-   *
-   * @param string $path
-   *   Path to the dump file.
-   */
-  protected function loadFixture($path) {
-    $default_db = Database::getConnection()->getKey();
-    Database::setActiveConnection($this->sourceDatabase->getKey());
-
-    if (substr($path, -3) == '.gz') {
-      $path = 'compress.zlib://' . $path;
-    }
-    require $path;
-
-    Database::setActiveConnection($default_db);
-  }
-
-  /**
-   * Changes the database connection to the prefixed one.
-   *
-   * @todo Remove when we don't use global. https://www.drupal.org/node/2552791
-   */
-  protected function createMigrationConnection() {
-    $connection_info = Database::getConnectionInfo('default')['default'];
-    if ($connection_info['driver'] === 'sqlite') {
-      // Create database file in the test site's public file directory so that
-      // \Drupal\simpletest\TestBase::restoreEnvironment() will delete this once
-      // the test is complete.
-      $file = $this->publicFilesDirectory . '/' . $this->testId . '-migrate.db.sqlite';
-      touch($file);
-      $connection_info['database'] = $file;
-      $connection_info['prefix'] = '';
-    }
-    else {
-      $prefix = is_array($connection_info['prefix']) ? $connection_info['prefix']['default'] : $connection_info['prefix'];
-      // Simpletest uses fixed length prefixes. Create a new prefix for the
-      // source database. Adding to the end of the prefix ensures that
-      // \Drupal\simpletest\TestBase::restoreEnvironment() will remove the
-      // additional tables.
-      $connection_info['prefix'] = $prefix . '0';
-    }
-
-    Database::addConnectionInfo('migrate_drupal_ui', 'default', $connection_info);
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function tearDown() {
-    Database::removeConnection('migrate_drupal_ui');
-    parent::tearDown();
-  }
-
-  /**
    * Executes all steps of migrations upgrade.
    */
   public function testMigrateUpgrade() {
     $connection_options = $this->sourceDatabase->getConnectionOptions();
-    $this->drupalGet('/upgrade');
-    $this->assertSession()->responseContains('Upgrade a site by importing its files and the data from its database into a clean and empty new install of Drupal 8.');
-
-    $this->drupalPostForm(NULL, [], t('Continue'));
-    $this->assertText('Provide credentials for the database of the Drupal site you want to upgrade.');
-    $this->assertFieldByName('mysql[host]');
-
     $driver = $connection_options['driver'];
     $connection_options['prefix'] = $connection_options['prefix']['default'];
 
@@ -193,33 +108,19 @@
 
     // Start the upgrade process.
     $this->drupalGet('/upgrade');
-    $this->assertSession()->responseContains('Upgrade a site by importing its files and the data from its database into a clean and empty new install of Drupal 8.');
+    $session = $this->assertSession();
+    $session->responseContains('Upgrade a site by importing its files and the data from its database into a clean and empty new install of Drupal 8.');
 
     $this->drupalPostForm(NULL, [], t('Continue'));
-    $this->assertSession()->pageTextContains('Provide credentials for the database of the Drupal site you want to upgrade.');
-    $this->assertSession()->fieldExists('mysql[host]');
+    $session->pageTextContains('Provide credentials for the database of the Drupal site you want to upgrade.');
+    $session->fieldExists('mysql[host]');
 
     $this->drupalPostForm(NULL, $edits, t('Review upgrade'));
-    $this->assertSession()->statusCodeEquals(200);
-    $this->assertSession()->pageTextContains('Upgrade analysis report');
-
-    // Test the available migration paths.
-    $all_available = $this->getAvailablePaths();
-    $session = $this->assertSession();
-    foreach ($all_available as $available) {
-      $session->elementExists('xpath', "//span[contains(@class, 'checked') and text() = '$available']");
-      $session->elementNotExists('xpath', "//span[contains(@class, 'warning') and text() = '$available']");
-    }
-
-    // Test the missing migration paths.
-    $all_missing = $this->getMissingPaths();
-    foreach ($all_missing as $missing) {
-      $session->elementExists('xpath', "//span[contains(@class, 'warning') and text() = '$missing']");
-      $session->elementNotExists('xpath', "//span[contains(@class, 'checked') and text() = '$missing']");
-    }
+    $session->statusCodeEquals(200);
+    $session->pageTextContains('Upgrade analysis report');
 
     $this->drupalPostForm(NULL, [], t('Perform upgrade'));
-    $this->assertText(t('Congratulations, you upgraded Drupal!'));
+    $session->pageTextContains(t('Congratulations, you upgraded Drupal!'));
 
     // Have to reset all the statics after migration to ensure entities are
     // loadable.
@@ -229,7 +130,7 @@
     foreach (array_keys(\Drupal::entityTypeManager()->getDefinitions()) as $entity_type) {
       $real_count = \Drupal::entityQuery($entity_type)->count()->execute();
       $expected_count = isset($expected_counts[$entity_type]) ? $expected_counts[$entity_type] : 0;
-      $this->assertEqual($expected_count, $real_count, "Found $real_count $entity_type entities, expected $expected_count.");
+      self::assertEquals($expected_count, $real_count, "Found $real_count $entity_type entities, expected $expected_count.");
     }
 
     $plugin_manager = \Drupal::service('plugin.manager.migration');
@@ -252,34 +153,11 @@
           $this->fail($message);
         }
         else {
-          $this->pass($message);
+          self::assertTrue($message);
         }
       }
     }
-    \Drupal::service('module_installer')->install(['forum']);
-    \Drupal::service('module_installer')->install(['book']);
-  }
 
-  /**
-   * Transforms a nested array into a flat array suitable for BrowserTestBase::drupalPostForm().
-   *
-   * @param array $values
-   *   A multi-dimensional form values array to convert.
-   *
-   * @return array
-   *   The flattened $edit array suitable for BrowserTestBase::drupalPostForm().
-   */
-  protected function translatePostValues(array $values) {
-    $edit = [];
-    // The easiest and most straightforward way to translate values suitable for
-    // BrowserTestBase::drupalPostForm() is to actually build the POST data string
-    // and convert the resulting key/value pairs back into a flat array.
-    $query = http_build_query($values);
-    foreach (explode('&', $query) as $item) {
-      list($key, $value) = explode('=', $item);
-      $edit[urldecode($key)] = urldecode($value);
-    }
-    return $edit;
   }
 
   /**
@@ -294,63 +172,63 @@
    */
   protected function getEntityCounts() {
     return [
-      'block' => '24',
-      'block_content' => '0',
-      'block_content_type' => '1',
-      'comment' => '0',
-      'comment_type' => '3',
-      'commerce_log' => '0',
-      'commerce_order_type' => '1',
-      'commerce_order' => '3',
-      'commerce_order_item' => '4',
-      'commerce_order_item_type' => '1',
-      'commerce_payment_method' => '0',
-      'commerce_payment' => '4',
-      'commerce_payment_gateway' => '2',
-      'commerce_currency' => '2',
-      'commerce_product_attribute' => '4',
-      'commerce_product' => '5',
-      'commerce_product_variation_type' => '1',
-      'commerce_product_variation' => '5',
-      'commerce_product_type' => '3',
-      'commerce_product_attribute_value' => '7',
-      'commerce_promotion_coupon' => '0',
-      'commerce_promotion' => '0',
-      'commerce_store' => '1',
-      'commerce_store_type' => '1',
-      'contact_form' => '2',
-      'contact_message' => '0',
-      'editor' => '2',
-      'field_config' => '37',
-      'field_storage_config' => '27',
-      'file' => '0',
-      'filter_format' => '5',
-      'image_style' => '3',
-      'migration_group' => '1',
-      'migration' => '0',
-      'node_type' => '3',
-      'node' => '1',
-      'profile_type' => '1',
-      'profile' => '3',
-      'rdf_mapping' => '5',
-      'search_page' => '2',
-      'shortcut' => '2',
-      'shortcut_set' => '1',
-      'action' => '29',
-      'menu' => '8',
-      'taxonomy_vocabulary' => '2',
-      'taxonomy_term' => '3',
-      'tour' => '1',
-      'user_role' => '5',
-      'user' => '6',
-      'menu_link_content' => '0',
-      'view' => '24',
-      'base_field_override' => '6',
-      'date_format' => '11',
-      'entity_view_display' => '27',
-      'entity_view_mode' => '16',
-      'entity_form_display' => '16',
-      'entity_form_mode' => '2',
+      'block' => 27,
+      'block_content' => 0,
+      'block_content_type' => 1,
+      'comment' => 0,
+      'comment_type' => 11,
+      'commerce_log' => 0,
+      'commerce_order' => 3,
+      'commerce_order_type' => 1,
+      'commerce_order_item' => 13,
+      'commerce_order_item_type' => 3,
+      'commerce_payment_gateway' => 0,
+      'commerce_payment_method' => 0,
+      'commerce_payment' => 0,
+      'commerce_currency' => 1,
+      'commerce_product_variation' => 84,
+      'commerce_product' => 20,
+      'commerce_product_type' => 7,
+      'commerce_product_variation_type' => 8,
+      'commerce_product_attribute' => 0,
+      'commerce_product_attribute_value' => 0,
+      'commerce_promotion_coupon' => 0,
+      'commerce_promotion' => 0,
+      'commerce_store' => 1,
+      'commerce_store_type' => 1,
+      'contact_form' => 2,
+      'contact_message' => 0,
+      'editor' => 2,
+      'field_storage_config' => 48,
+      'field_config' => 142,
+      'file' => 105,
+      'filter_format' => 6,
+      'image_style' => 3,
+      'migration_group' => 1,
+      'migration' => 0,
+      'node' => 37,
+      'node_type' => 11,
+      'profile' => 4,
+      'profile_type' => 1,
+      'rdf_mapping' => 5,
+      'search_page' => 2,
+      'shortcut' => 2,
+      'shortcut_set' => 1,
+      'action' => 25,
+      'menu' => 10,
+      'taxonomy_term' => 72,
+      'taxonomy_vocabulary' => 12,
+      'tour' => 1,
+      'user' => 3,
+      'user_role' => 3,
+      'menu_link_content' => 0,
+      'view' => 24,
+      'base_field_override' => 11,
+      'date_format' => 11,
+      'entity_form_display' => 48,
+      'entity_view_mode' => 28,
+      'entity_form_mode' => 2,
+      'entity_view_display' => 58,
     ];
   }