diff -r b64c8c35c67d -r d2e6ee099125 server/src/tests/Controllers/BnfControllerTest.php
--- a/server/src/tests/Controllers/BnfControllerTest.php	Sat Jun 10 22:43:58 2017 +0200
+++ b/server/src/tests/Controllers/BnfControllerTest.php	Mon Jun 12 14:53:59 2017 +0200
@@ -40,7 +40,7 @@
                 'ark:/12148/cb11965628b' => 'frères et soeurs'
             ]);
         $response = $this->get('/api/v1/resolvers/bnf/cb11946662b,cb11965628b')->
-            seeJsonEquals(['bnfids' => [
+            assertJson(['bnfids' => [
                 'ark:/12148/cb11946662b' => 'parents et enfants',
                 'ark:/12148/cb11965628b' => 'frères et soeurs'
             ]]);
@@ -55,7 +55,7 @@
                 'ark:/12148/cb11946662b' => 'parents et enfants'
             ]);
         $response = $this->get('/api/v1/resolvers/bnf/cb11946662b')->
-            seeJsonEquals(['bnfids' => [
+            assertJson(['bnfids' => [
                 'ark:/12148/cb11946662b' => 'parents et enfants'
             ]]);
     }
@@ -69,7 +69,7 @@
                 'ark:/12148/cb12345678b' => null
             ]);
         $response = $this->get('/api/v1/resolvers/bnf/cb12345678b')->
-            seeJsonEquals(['bnfids' => [
+            assertJson(['bnfids' => [
                 'ark:/12148/cb12345678b' => null
             ]]);
     }
@@ -82,7 +82,7 @@
             ->andThrow('CorpusParole\Services\BnfResolverException', "BnfId not in correct format", 500);
         $response = $this->get('/api/v1/resolvers/bnf/abcdef,ghij');
 
-        $this->assertResponseStatus(500);
+        $response->assertStatus(500);
     }
 
 }