Unbreak tests.
--- tests/mergedproxymodel_test.cpp.orig	Sun Oct  5 00:20:24 2014
+++ tests/mergedproxymodel_test.cpp	Sun Oct  5 02:13:28 2014
@@ -15,9 +15,9 @@
    along with Clementine.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include "gtest/gtest.h"
-#include "test_utils.h"
 #include "core/mergedproxymodel.h"
+#include "test_utils.h"
+#include "gtest/gtest.h"
 
 #include <QStandardItemModel>
 #include <QSignalSpy>