diff -r 02f113d43f18 -r 52169c718513 server/src/tests/Controllers/DateStatsControllerTest.php
--- a/server/src/tests/Controllers/DateStatsControllerTest.php	Thu Oct 20 15:09:31 2016 +0200
+++ b/server/src/tests/Controllers/DateStatsControllerTest.php	Thu Oct 20 17:27:36 2016 +0200
@@ -8,13 +8,11 @@
 
 class DateStatsControllerTest extends TestCase
 {
-    private $sparqlClient;
-
     const ES_QUERY = [
         'index' => 'corpus',
         'body' => [
             "size" => 0,
-            "query" => [ "match_all" => []],
+            "query" => [ "match_all" => [] ],
             "aggs" => [
                 "datestats" => [
                     "nested"=> [