Added contract resolution test

Author: stevebauman

src/AdldapServiceProvider.php

@@ -50,7 +50,7 @@ public function register()
         });
 
         // Bind the Adldap contract to the Adldap implementation
-        $this->app->bind('Adldap\Contracts\Adldap', 'Adldap\Adldap');
+        $this->app->bind('Adldap\Contracts\Adldap', 'adldap');
     }
 
     /**

tests/AdldapTest.php

@@ -25,6 +25,16 @@ public function testRegistration()
         $this->assertTrue(app()->register('Adldap\Laravel\AdldapAuthServiceProvider'));
     }
 
+    public function testContractResolve()
+    {
+        $this->app['config']->set('adldap.auto_connect', false);
+
+        $adldap = $this->app->make('Adldap\Contracts\Adldap');
+
+        $this->assertInstanceOf('Adldap\Adldap', $adldap);
+        $this->assertInstanceOf('Adldap\Contracts\Adldap', $adldap);
+    }
+
     public function testAuthPasses()
     {
         $mockedBuilder = Mockery::mock('Adldap\Query\Builder');