add a test

t/relationships.t

@@ -20,8 +20,8 @@ subtest basic => sub {
 
     ok not $s->{data}{attributes};
 
-    like $s,
-      { data => {
+    like $s => {
+        data => {
             id            => 1,
             type          => 'thing',
             relationships =>
@@ -38,10 +38,24 @@ subtest "don't repeat includes" => sub {
         'thing',
         [
             {   id        => 1,
-                subthings => [ { id => 2, x => 10 }, { id => 3, y => 20 } ]
+                subthings => [
+                    {   id => 2,
+                        x  => 10
+                    },
+                    {   id => 3,
+                        y  => 20
+                    }
+                ]
             },
             {   id        => 2,
-                subthings => [ { id => 3, y => 20 }, { id => 2, x => 10 } ]
+                subthings => [
+                    {   id => 3,
+                        y  => 20
+                    },
+                    {   id => 2,
+                        x  => 10
+                    }
+                ]
             }
         ]
     );