diff -r b64c8c35c67d -r d2e6ee099125 server/src/tests/Controllers/DiscourseControllerTest.php
--- a/server/src/tests/Controllers/DiscourseControllerTest.php	Sat Jun 10 22:43:58 2017 +0200
+++ b/server/src/tests/Controllers/DiscourseControllerTest.php	Mon Jun 12 14:53:59 2017 +0200
@@ -67,9 +67,11 @@
   }
 }', true));
 
-        $this->get('/api/v1/stats/discourses/')->assertTrue($this->response->isOk(), $this->response->content());
+        $response = $this->get('/api/v1/stats/discourses/');
 
-        $this->seeJsonEquals(["discourses" => [
+        $response
+            ->assertStatus(200)
+            ->assertJson(["discourses" => [
             "http://ark.bnf.fr/ark:/12148/cb12083158d" => ["label" => "argumentation", "count" => 44],
             "http://ark.bnf.fr/ark:/12148/cb119783362" => ["label" => "bavardage", "count" => 33],
             "http://ark.bnf.fr/ark:/12148/cb13319048g" => ["label" => "chansons", "count" => 22],
@@ -102,8 +104,10 @@
     }
   }
 }', true));
-        $this->get('/api/v1/stats/discourses/')->assertTrue($this->response->isOk(), $this->response->content());
-        $this->seeJsonEquals(["discourses" => [
+        $response = $this->get('/api/v1/stats/discourses/');
+        $response
+            ->assertStatus(200)
+            ->assertJson(["discourses" => [
         ]]);
     }
 }