diff --git a/.travis.yml b/.travis.yml
index 3d013f7..20e2db3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,9 +13,12 @@ addons:
   code_climate:
     repo_token: ${CC_TOKEN}
 
+## Services used by this package
+services:
+  - mysql
+
 ## List all PHP versions to test with
 php:
-  - 5.5
   - 5.6
   - 7.0
   - 7.1
@@ -29,24 +32,27 @@ env:
   - LARAVEL_VERSION="5.2.*"
   - LARAVEL_VERSION="5.3.*"
   - LARAVEL_VERSION="5.4.*"
-  - LARAVEL_VERSION="dev-master"
 
 matrix:
   fast_finish: true
-  exclude:
-    - php: 5.5
-      env: LARAVEL_VERSION="5.3.*"
-    - php: 5.5
-      env: LARAVEL_VERSION="5.4.*"
+  include:
     - php: 5.5
-      env: LARAVEL_VERSION="dev-master"
+      env: LARAVEL_VERSION="5.1.*"
     - php: 5.6
+      env: LARAVEL_VERSION="5.1.*" DB_TYPE="mysql"
+    - php: 7.1
+      env: LARAVEL_VERSION="5.4.*" DB_TYPE="mysql"
+    - php: 7.1
       env: LARAVEL_VERSION="dev-master"
   allow_failures:
     - php: nightly
     - php: hhvm
     - env: LARAVEL_VERSION="dev-master"
 
+## Run Scripts before Install
+before_install:
+  - mysql -e 'CREATE DATABASE IF NOT EXISTS notifynder;'
+
 ## Install Dependencies
 install:
   - composer self-update
@@ -62,6 +68,7 @@ before_script:
 script:
   - vendor/bin/phpunit
 
+## Run Scripts after Tests
 after_script:
   - vendor/bin/test-reporter
   - export CI_BUILD_NUMBER="$TRAVIS_BUILD_NUMBER"
diff --git a/composer.json b/composer.json
index da44b2d..53feab7 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
     "codeclimate/php-test-reporter": "^0.3.2",
     "satooshi/php-coveralls": "^1.0"
   },
-  "suggests": {
+  "suggest": {
     "astrotomic/notifynder-sender-email": "Allows to send notifications as email.",
     "astrotomic/notifynder-sender-redis": "Allows to send notifications via Redis (Pub/Sub).",
     "astrotomic/notifynder-sender-slack": "Allows to send notifications via Slack.",
diff --git a/phpunit.xml b/phpunit.xml
index ebefb65..c203337 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -31,7 +31,6 @@
     </logging>
     <php>
         <env name="APP_ENV" value="testing"/>
-        <env name="DB_DRIVER" value="sqlite"/>
         <env name="CACHE_DRIVER" value="array"/>
         <env name="SESSION_DRIVER" value="array"/>
     </php>
diff --git a/src/migrations/2016_11_02_193415_drop_version4_unused_tables.php b/src/migrations/2016_11_02_193415_drop_version4_unused_tables.php
index b0af3a7..ad8c72f 100644
--- a/src/migrations/2016_11_02_193415_drop_version4_unused_tables.php
+++ b/src/migrations/2016_11_02_193415_drop_version4_unused_tables.php
@@ -11,8 +11,8 @@ class DropVersion4UnusedTables extends Migration
      */
     public function up()
     {
-        Schema::dropIfExists('notification_groups');
         Schema::dropIfExists('notifications_categories_in_groups');
+        Schema::dropIfExists('notification_groups');
     }
 
     /**
diff --git a/tests/NotifynderTestCase.php b/tests/NotifynderTestCase.php
index 9d3df9b..4d9a200 100644
--- a/tests/NotifynderTestCase.php
+++ b/tests/NotifynderTestCase.php
@@ -5,6 +5,7 @@
 use Fenos\Tests\Models\CarL53;
 use Fenos\Tests\Models\UserL53;
 use Illuminate\Database\Eloquent\Model;
+use Fenos\Notifynder\Models\Notification;
 use Fenos\Notifynder\NotifynderServiceProvider;
 use Fenos\Notifynder\Models\NotificationCategory;
 use Orchestra\Testbench\TestCase as OrchestraTestCase;
@@ -29,7 +30,6 @@ protected function getPackageAliases($app)
     public function setUp()
     {
         parent::setUp();
-        // This should only do work for Sqlite DBs in memory.
         $artisan = $this->app->make('Illuminate\Contracts\Console\Kernel');
         app('db')->beginTransaction();
         $this->migrate($artisan);
@@ -41,17 +41,40 @@ public function setUp()
 
     protected function getEnvironmentSetUp($app)
     {
-        $app['config']->set('database.default', 'testbench');
-        $app['config']->set('database.connections.testbench', [
+        $app['config']->set('database.connections.test_sqlite', [
             'driver' => 'sqlite',
             'database' => ':memory:',
             'prefix' => '',
         ]);
+        $app['config']->set('database.connections.test_mysql', [
+            'driver' => 'mysql',
+            'host' => '127.0.0.1',
+            'port' => 3306,
+            'database' => 'notifynder',
+            'username' => 'travis',
+            'password' => '',
+            'charset' => 'utf8',
+            'collation' => 'utf8_general_ci',
+            'prefix' => '',
+            'strict' => false,
+            'engine' => null,
+        ]);
+        if (env('DB_TYPE', 'sqlite') == 'mysql') {
+            $app['config']->set('database.default', 'test_mysql');
+        } else {
+            $app['config']->set('database.default', 'test_sqlite');
+        }
     }
 
     public function tearDown()
     {
         app('db')->rollback();
+        if (app('db')->getDriverName() == 'mysql') {
+            app('db')->statement('SET FOREIGN_KEY_CHECKS=0;');
+            Notification::truncate();
+            NotificationCategory::truncate();
+            app('db')->statement('SET FOREIGN_KEY_CHECKS=1;');
+        }
     }
 
     protected function getApplicationTimezone($app)
@@ -62,7 +85,6 @@ protected function getApplicationTimezone($app)
     protected function migrate($artisan, $path = '/../../../../src/migrations')
     {
         $artisan->call('migrate', [
-            '--database' => 'testbench',
             '--path' => $path,
         ]);
     }
@@ -74,6 +96,11 @@ protected function createCategory(array $attributes = [])
             'name' => 'test.category',
         ], $attributes);
 
+        $category = NotificationCategory::byName($attributes['name'])->first();
+        if ($category instanceof NotificationCategory) {
+            return $category;
+        }
+
         return NotificationCategory::create($attributes);
     }
 
@@ -107,8 +134,10 @@ protected function createCar(array $attributes = [])
 
     protected function sendNotificationTo(Model $model)
     {
+        $category = $this->createCategory();
+
         return $model
-            ->sendNotificationTo(1)
+            ->sendNotificationTo($category->getKey())
             ->from(2)
             ->send();
     }
diff --git a/tests/integration/Facades/NotifynderFacadeTest.php b/tests/integration/Facades/NotifynderFacadeTest.php
index dc53262..8a5fbfe 100644
--- a/tests/integration/Facades/NotifynderFacadeTest.php
+++ b/tests/integration/Facades/NotifynderFacadeTest.php
@@ -7,7 +7,8 @@ class NotifynderFacadeTest extends NotifynderTestCase
 {
     public function testSendSingleNotification()
     {
-        $sent = \Notifynder::category(1)
+        $category = $this->createCategory();
+        $sent = \Notifynder::category($category->getKey())
             ->from(1)
             ->to(2)
             ->send();
diff --git a/tests/integration/Managers/NotifynderManagerTest.php b/tests/integration/Managers/NotifynderManagerTest.php
index c6c3010..29c9888 100644
--- a/tests/integration/Managers/NotifynderManagerTest.php
+++ b/tests/integration/Managers/NotifynderManagerTest.php
@@ -61,7 +61,8 @@ public function testBuildMultipleNotifications()
     public function testSendSingleNotification()
     {
         $manager = app('notifynder');
-        $sent = $manager->category(1)
+        $category = $this->createCategory();
+        $sent = $manager->category($category->getKey())
             ->from(1)
             ->to(2)
             ->send();
@@ -76,7 +77,8 @@ public function testSendSingleNotification()
     public function testSendSingleAnonymousNotification()
     {
         $manager = app('notifynder');
-        $sent = $manager->category(1)
+        $category = $this->createCategory();
+        $sent = $manager->category($category->getKey())
             ->anonymous()
             ->to(2)
             ->send();
@@ -98,8 +100,9 @@ public function testSendMultipleNotifications()
     {
         $datas = [2, 3, 4];
         $manager = app('notifynder');
-        $sent = $manager->loop($datas, function ($builder, $data) {
-            $builder->category(1)
+        $category = $this->createCategory();
+        $sent = $manager->loop($datas, function ($builder, $data) use ($category) {
+            $builder->category($category->getKey())
                 ->from(1)
                 ->to($data);
         })->send();
@@ -114,7 +117,8 @@ public function testSendMultipleNotifications()
     public function testSendSingleSpecificNotification()
     {
         $manager = app('notifynder');
-        $sent = $manager->category(1)
+        $category = $this->createCategory();
+        $sent = $manager->category($category->getKey())
             ->from(1)
             ->to(2)
             ->sendSingle();
@@ -129,7 +133,8 @@ public function testSendSingleSpecificNotification()
     public function testSendOnceSameNotifications()
     {
         $manager = app('notifynder');
-        $sent = $manager->category(1)
+        $category = $this->createCategory();
+        $sent = $manager->category($category->getKey())
             ->from(1)
             ->to(2)
             ->extra(['foo' => 'bar'])
@@ -148,7 +153,7 @@ public function testSendOnceSameNotifications()
 
         sleep(1);
 
-        $sent = $manager->category(1)
+        $sent = $manager->category($category->getKey())
             ->from(1)
             ->to(2)
             ->extra(['foo' => 'bar'])
@@ -172,7 +177,8 @@ public function testSendOnceSameNotifications()
     public function testSendOnceDifferentNotifications()
     {
         $manager = app('notifynder');
-        $sent = $manager->category(1)
+        $category = $this->createCategory();
+        $sent = $manager->category($category->getKey())
             ->from(1)
             ->to(2)
             ->extra(['foo' => 'bar'])
@@ -183,7 +189,7 @@ public function testSendOnceDifferentNotifications()
         $this->assertCount(1, $notifications);
         $this->assertInstanceOf(EloquentCollection::class, $notifications);
 
-        $sent = $manager->category(1)
+        $sent = $manager->category($category->getKey())
             ->from(2)
             ->to(1)
             ->extra(['hello' => 'world'])
diff --git a/tests/integration/Traits/NotifableTest.php b/tests/integration/Traits/NotifableTest.php
index c17bbdf..99e81f1 100644
--- a/tests/integration/Traits/NotifableTest.php
+++ b/tests/integration/Traits/NotifableTest.php
@@ -21,39 +21,42 @@ public function testNotifynder()
 
     public function testSendNotificationFrom()
     {
+        $category = $this->createCategory();
         $user = $this->createUser();
-        $notifynder = $user->sendNotificationFrom(1);
+        $notifynder = $user->sendNotificationFrom($category->getKey());
         $this->assertInstanceOf(NotifynderManager::class, $notifynder);
         $notifynder->to(2);
         $builder = $notifynder->builder();
         $this->assertInstanceOf(Builder::class, $builder);
         $notification = $builder->getNotification();
         $this->assertInstanceOf(Notification::class, $notification);
-        $this->assertSame(1, $notification->category_id);
-        $this->assertSame(1, $notification->from_id);
+        $this->assertSame($category->getKey(), $notification->category_id);
+        $this->assertSame($user->getKey(), $notification->from_id);
     }
 
     public function testSendNotificationTo()
     {
+        $category = $this->createCategory();
         $user = $this->createUser();
-        $notifynder = $user->sendNotificationTo(1);
+        $notifynder = $user->sendNotificationTo($category->getKey());
         $this->assertInstanceOf(NotifynderManager::class, $notifynder);
         $notifynder->from(2);
         $builder = $notifynder->builder();
         $this->assertInstanceOf(Builder::class, $builder);
         $notification = $builder->getNotification();
         $this->assertInstanceOf(Notification::class, $notification);
-        $this->assertSame(1, $notification->category_id);
-        $this->assertSame(1, $notification->to_id);
+        $this->assertSame($category->getKey(), $notification->category_id);
+        $this->assertSame($user->getKey(), $notification->to_id);
         $notifynder->send();
         $this->assertCount(1, $user->getNotificationRelation);
     }
 
     public function testNotificationsHasMany()
     {
+        $category = $this->createCategory();
         $user = $this->createUser();
         $user
-            ->sendNotificationTo(1)
+            ->sendNotificationTo($category->getKey())
             ->from(2)
             ->send();
         $this->assertCount(1, $user->getNotificationRelation);