diff --git a/src/Codeception/Module/DrupalUser.php b/src/Codeception/Module/DrupalUser.php
index 9aac7c4..a54c234 100644
--- a/src/Codeception/Module/DrupalUser.php
+++ b/src/Codeception/Module/DrupalUser.php
@@ -6,8 +6,8 @@
 use Drupal\Core\Config\StorageInterface;
 use Drupal\Core\Entity\EntityStorageInterface;
 use Drupal\user\Entity\User;
-use Faker\Factory;
 use Codeception\Util\Drush;
+use Faker\Factory;
 
 /**
  * Class DrupalUser.
@@ -17,8 +17,6 @@
  *     modules:
  *        - DrupalUser:
  *          default_role: 'authenticated'
- *          driver: 'PhpBrowser'
- *          drush: './vendor/bin/drush'
  *          cleanup_entities:
  *            - media
  *            - file
@@ -46,6 +44,13 @@ class DrupalUser extends Module {
    */
   protected $users;
 
+  /**
+   * Flag to note whether the CLI should be used for user actions.
+   *
+   * @var bool
+   */
+  protected $useCli = FALSE;
+
   /**
    * Default module configuration.
    *
@@ -53,9 +58,9 @@ class DrupalUser extends Module {
    */
   protected $config = [
     'alias' => '',
-    'default_role' => 'authenticated',
-    'driver' => 'WebDriver',
+    'driver' => NULL,
     'drush' => 'drush',
+    'default_role' => 'authenticated',
     'cleanup_entities' => [],
     'cleanup_test' => TRUE,
     'cleanup_failed' => TRUE,
@@ -68,10 +73,11 @@ class DrupalUser extends Module {
   public function _beforeSuite($settings = []) { // @codingStandardsIgnoreLine
     $this->driver = null;
     if (!$this->hasModule($this->_getConfig('driver'))) {
-      $this->fail('User driver module not found.');
+      $this->useCli = TRUE;
+    }
+    else {
+      $this->driver = $this->getModule($this->_getConfig('driver'));
     }
-
-    $this->driver = $this->getModule($this->_getConfig('driver'));
   }
 
   /**
@@ -128,7 +134,8 @@ public function createUserWithRoles(array $roles = [], $password = FALSE) {
       $this->users[] = $user->id();
     }
     catch (\Exception $e) {
-      $this->fail('Could not create user with roles' . implode(', ', $roles));
+      $message = sprintf('Could not create user with roles: %s. Error: %s', implode(', ', $roles), $e->getMessage());
+      $this->fail($message);
     }
 
     return $user;
@@ -141,11 +148,30 @@ public function createUserWithRoles(array $roles = [], $password = FALSE) {
    *   User id.
    */
   public function logInAs($username) {
-    $alias = $this->_getConfig('alias') ? $this->_getConfig('alias') . ' ' : '';
-    $output = Drush::runDrush($alias. 'uli --name=' . $username, $this->_getConfig('drush'), $this->_getConfig('working_directory'));
-    $gen_url = str_replace(PHP_EOL, '', $output);
-    $url = substr($gen_url, strpos($gen_url, '/user/reset'));
-    $this->driver->amOnPage($url);
+    /** @var \Drupal\user\Entity\User $user */
+    try {
+      if ($this->useCli) {
+        // Load the user.
+        $account = user_load_by_name($username);
+
+        if (FALSE === $account ) {
+          throw new \Exception();
+        }
+
+        // Login with the user.
+        user_login_finalize($account);
+      }
+      else {
+        $alias = $this->_getConfig('alias') ? $this->_getConfig('alias') . ' ' : '';
+        $output = Drush::runDrush($alias. 'uli --name=' . $username, $this->_getConfig('drush'), $this->_getConfig('working_directory'));
+        $gen_url = str_replace(PHP_EOL, '', $output);
+        $url = substr($gen_url, strpos($gen_url, '/user/reset'));
+        $this->driver->amOnPage($url);
+      }
+    }
+    catch (\Exception $e) {
+      $this->fail('Coud not login with username ' . $username);
+    }
   }
 
   /**