make OCA.Search.Files available in tests and for other apps

apps/files/js/search.js

@@ -163,4 +163,5 @@
 		}
 	};
 	new Files();
+	OCA.Search.Files = Files;
 })();

core/js/core.json

@@ -22,6 +22,7 @@
 		"eventsource.js",
 		"config.js",
 		"multiselect.js",
-		"oc-requesttoken.js"
+		"oc-requesttoken.js",
+		"../../search/js/search.js"
 	]
 }