Add consistent indentation in null_lookup_object.js test file

Either vim or git was going crazy with the indentation when I tried
improving the test via changing one of the lines, so I linted it all
together.

test/_files/null_lookup_object.js

@@ -1,31 +1,31 @@
 ({
-    "name": "David",
-    "twitter": "@dasilvacontin",
-    "fobject": [
-    	{
-    		"name": "Flor",
-    		"twitter": "@florrts"
-    	},
-    	{
-	        "name": "Miquel",
-	        "twitter": null
-	    },
-	    {
-	    	"name": "Chris",
-	        "twitter": undefined
-	    }
-    ],
-    "favorites": {
-      "color": "blue",
-      "president": "Bush",
-      "show": "Futurama"
+  "name": "David",
+  "twitter": "@dasilvacontin",
+  "fobject": [
+    {
+      "name": "Flor",
+      "twitter": "@florrts"
+    },
+    {
+      "name": "Miquel",
+      "twitter": null
     },
-    "mascot": {
-      "name": "Squid",
-      "favorites": {
-        "color": "orange",
-        "president": undefined,
-        "show": null
-      }
+    {
+	"name": "Chris",
+	"twitter": undefined
+    }
+  ],
+  "favorites": {
+    "color": "blue",
+    "president": "Bush",
+    "show": "Futurama"
+  },
+  "mascot": {
+    "name": "Squid",
+    "favorites": {
+      "color": "orange",
+      "president": undefined,
+      "show": null
     }
+  }
 })