Initialize functional test for logining a tutor. See #3.

tests/functional/tutor/AuthenticationTest.php

@@ -6,7 +6,10 @@
  */
 namespace Tests\functional\tutor;
 
+use App\Sass\Repositories\User\DbUserRepository;
+use App\User;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Illuminate\Support\Facades\Hash;
 use Tests\TestCase;
 
 /**
@@ -17,7 +20,14 @@ class AuthenticationTest extends TestCase
     use DatabaseTransactions;
 
     /** @test */
-    public function it_access_sign_in_page()
+    public function it_can_login()
     {
+        $dbUserRepository = new DbUserRepository();
+        $pass = 'pass';
+        $tutor = factory(User::class)->create(['password' => Hash::make($pass)]);
+        $dbUserRepository->assignTutorRole($tutor);
+
+        $this->visit(route('login.get'))
+            ->type('email', $tutor->email);
     }
 }