Improve unit tests

app/Controller/Board.php

@@ -327,7 +327,7 @@ class Board extends Base
      */
     public function swimlane()
     {
-        $project = $this->getProject();
+        $this->getProject();
         $swimlane = $this->swimlane->getById($this->request->getIntegerParam('swimlane_id'));
         $this->response->html($this->template->render('board/tooltip_description', array('task' => $swimlane)));
     }

app/Controller/Doc.php

@@ -16,7 +16,7 @@ class Doc extends Base
     {
         $url = $this->helper->url;
         $data = file_get_contents($filename);
-        list($title,, $content) = explode("\n", $data, 3);
+        list($title,) = explode("\n", $data, 2);
 
         $replaceUrl = function (array $matches) use ($url) {
             return '('.$url->to('doc', 'show', array('file' => str_replace('.markdown', '', $matches[1]))).')';