Cleanup: Sanitize the order of includes under tests/

tests/GradientTest.cpp

Index: tests/GradientTest.cpp
diff --git a/tests/GradientTest.cpp b/tests/GradientTest.cpp
index da9ac7f808e2d71063cbaff64e6f050f9a18cdd9..8a250fab799b97429dc393466d6548007ae50f49 100644
--- a/tests/GradientTest.cpp
+++ b/tests/GradientTest.cpp
@@ -5,13 +5,13 @@
  * found in the LICENSE file.
  */
 
-#include "Test.h"
 #include "SkBitmapDevice.h"
 #include "SkColorShader.h"
 #include "SkEmptyShader.h"
 #include "SkGradientShader.h"
 #include "SkShader.h"
 #include "SkTemplates.h"
+#include "Test.h"
 
 struct GradRec {
     int             fColorCount;