diff --git a/.gitignore b/.gitignore
index c3b3785d1..f1ec7f109 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,6 @@ phpunit.phar
 tests/_app/config/db.local.php
 tests/_support/_generated
 tests/_output/*
+
+# composer lock file
+composer.lock
diff --git a/.travis.yml b/.travis.yml
index f06155367..a3844023b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,14 @@
 language: php
 
 php:
+  - 7.1
   - 7.0
   - 5.6
-  - 5.5
-  - 5.4
 
+services:
+  - mysql
 # environment variable used in test suite
-env: TEST_ENVIRONMENT=travis
+env: TEST_ENVIRONMENT=travis MYSQL_HOST=localhost MYSQL_USER=root MYSQL_PASSWORD="" MYSQL_DATABASE="dektrium_test"
 
 # faster builds on new travis setup not using sudo
 sudo: false
diff --git a/Module.php b/Module.php
index d325ee8ce..e81d30abb 100644
--- a/Module.php
+++ b/Module.php
@@ -107,4 +107,11 @@ class Module extends BaseModule
         'recover/<id:\d+>/<code:[A-Za-z0-9_-]+>' => 'recovery/reset',
         'settings/<action:\w+>'                  => 'settings/<action>'
     ];
+
+    /** @var string The database connection to use for models in this module. */
+    public $dbConnection = 'db';
+
+    public function getDb() {
+        return \Yii::$app->get($this->dbConnection);
+    }
 }
diff --git a/codeception.yml b/codeception.yml
index 320f078a7..ab42b9c18 100644
--- a/codeception.yml
+++ b/codeception.yml
@@ -12,6 +12,7 @@ modules:
     config:
         Yii2:
             configFile: 'tests/_app/config/test.php'
+            cleanup: false
 coverage:
     enabled: true
     include:
diff --git a/composer.json b/composer.json
index 53fbc0dc0..eb7e6f3a4 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,6 @@
             "homepage": "http://dmeroff.ru"
         }
     ],
-    "minimum-stability": "dev",
     "require": {
         "yiisoft/yii2": "^2.0.0",
         "yiisoft/yii2-swiftmailer": "^2.0.0",
diff --git a/tests/_app/config/db.php b/tests/_app/config/db.php
index 24b10a453..56eb3f47b 100644
--- a/tests/_app/config/db.php
+++ b/tests/_app/config/db.php
@@ -2,14 +2,11 @@
 
 $db = [
     'class' => 'yii\db\Connection',
-    'dsn' => 'mysql:host=localhost;dbname=dektrium_test',
-    'username' => 'root',
-    'password' => '',
+    'dsn' => 'mysql:host=' . getenv('DB_HOST') . ';dbname=' . getenv('MYSQL_DATABASE'),
+    'password' => getenv('MYSQL_PASSWORD'),
+    'username' => getenv('MYSQL_USER'),
     'charset' => 'utf8',
+//    'enableSavepoint' => false
 ];
 
-if (file_exists(__DIR__ . '/db.local.php')) {
-    $db = array_merge($db, require(__DIR__ . '/db.local.php'));
-}
-
 return $db;
\ No newline at end of file
diff --git a/tests/_app/config/test.php b/tests/_app/config/test.php
index 92b3aca4d..1ed000885 100644
--- a/tests/_app/config/test.php
+++ b/tests/_app/config/test.php
@@ -18,6 +18,9 @@
         ],
     ],
     'components' => [
+        'session' => [
+
+        ],
         'db' => require __DIR__ . '/db.php',
         'mailer' => [
             'useFileTransport' => true,
diff --git a/tests/_fixtures/data/sql/database.sql b/tests/_fixtures/data/sql/database.sql
new file mode 100644
index 000000000..df64bbddb
--- /dev/null
+++ b/tests/_fixtures/data/sql/database.sql
@@ -0,0 +1 @@
+create database dektrium_test;
\ No newline at end of file
diff --git a/tests/runtests.sh b/tests/runtests.sh
new file mode 100755
index 000000000..8827acbbb
--- /dev/null
+++ b/tests/runtests.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+composer install --prefer-dist
+
+php tests/_app/yii.php migrate --migrationPath=@dektrium/user/migrations --interactive=0
+
+exec /bin/codecept $@
\ No newline at end of file
diff --git a/traits/ModuleTrait.php b/traits/ModuleTrait.php
index c2031a942..1d7a0d342 100644
--- a/traits/ModuleTrait.php
+++ b/traits/ModuleTrait.php
@@ -19,4 +19,9 @@ public function getModule()
     {
         return \Yii::$app->getModule('user');
     }
+
+    public static function getDb()
+    {
+        return \Yii::$app->getModule('user')->getDb();
+    }
 }