diff -r cf0f23803a53 -r 2dba812c7ef2 server/src/tests/Controllers/ThemeControllerTest.php
--- a/server/src/tests/Controllers/ThemeControllerTest.php	Wed Nov 09 15:05:41 2016 +0100
+++ b/server/src/tests/Controllers/ThemeControllerTest.php	Wed Nov 09 23:41:15 2016 +0100
@@ -28,7 +28,7 @@
             'body' => [
                 'size' => 0,
                 'query' =>[
-                    'match_all' => []
+                    'match_all' => (object) null
                 ],
                 'aggs' => [
                     "subjects" => [
@@ -120,7 +120,7 @@
             'body' => [
                 'size' => 0,
                 'query' =>[
-                    'match_all' => []
+                    'match_all' => (object) null
                 ],
                 'aggs' => [
                     "subjects" => [
@@ -219,7 +219,7 @@
             'body' => [
                 'size' => 0,
                 'query' =>[
-                    'match_all' => []
+                    'match_all' => (object) null
                 ],
                 'aggs' => [
                     "subjects" => [
@@ -286,7 +286,7 @@
             'body' => [
                 'size' => 0,
                 'query' =>[
-                    'match_all' => []
+                    'match_all' => (object) null
                 ],
                 'aggs' => [
                     "subjects" => [
@@ -385,7 +385,7 @@
             'body' => [
                 'size' => 0,
                 'query' =>[
-                    'match_all' => []
+                    'match_all' => (object) null
                 ],
                 'aggs' => [
                     "subjects" => [
@@ -473,7 +473,7 @@
             'body' => [
                 'size' => 0,
                 'query' =>[
-                    'match_all' => []
+                    'match_all' => (object) null
                 ],
                 'aggs' => [
                     "subjects" => [
@@ -561,7 +561,7 @@
             'body' => [
                 'size' => 0,
                 'query' =>[
-                    'match_all' => []
+                    'match_all' => (object) null
                 ],
                 'aggs' => [
                     "subjects" => [