Cleanup: Sanitize the order of includes under tests/

tests/DataRefTest.cpp

Index: tests/DataRefTest.cpp
diff --git a/tests/DataRefTest.cpp b/tests/DataRefTest.cpp
index e4c0a6b39aea397bb5aad87d8791884238b951e6..731e4484c5eb5ddd07bc1c89faf9be6f2b24e130 100644
--- a/tests/DataRefTest.cpp
+++ b/tests/DataRefTest.cpp
@@ -5,13 +5,13 @@
  * found in the LICENSE file.
  */
 
-#include "Test.h"
 #include "SkData.h"
 #include "SkDataTable.h"
+#include "SkOSFile.h"
 #include "SkOrderedReadBuffer.h"
 #include "SkOrderedWriteBuffer.h"
-#include "SkOSFile.h"
 #include "SkStream.h"
+#include "Test.h"
 
 static void test_is_equal(skiatest::Reporter* reporter,
                           const SkDataTable* a, const SkDataTable* b) {