Add explanation for not working classess

Author: divine

README.md

@@ -117,18 +117,29 @@ docker-compose up
 Database Testing
 -------
 
-Resetting The Database After Each Test
+To reset the database after each test, add:
 
 ```php
 use Illuminate\Foundation\Testing\DatabaseMigrations;
 ```
 
-And inside each test classes.
+Also inside each test classes, add:
 
 ```php
 use DatabaseMigrations;
 ```
 
+Keep in mind that currently this isn't supported and should be removed:
+
+```php
+use DatabaseTransactions;
+```
+and
+
+```php
+use RefreshDatabase;
+```
+
 Configuration
 -------------
 You can use MongoDB either as the main database, either as a side database. To do so, add a new `mongodb` connection to `config/database.php`: