Cleanup: Sanitize the order of includes under tests/

tests/ShaderOpacityTest.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
+#include "SkColorShader.h"
+#include "SkGradientShader.h"
+#include "SkShader.h"
 #include "Test.h"
-#include "SkShader.h"
-#include "SkGradientShader.h"
-#include "SkColorShader.h"
 
 static void test_bitmap(skiatest::Reporter* reporter) {
     SkBitmap bmp;
     bmp.setConfig(SkBitmap::kARGB_8888_Config, 2, 2);
 
     // test 1: bitmap without pixel data
     SkShader* shader = SkShader::CreateBitmapShader(bmp,
         SkShader::kClamp_TileMode, SkShader::kClamp_TileMode);
     REPORTER_ASSERT(reporter, shader);
     REPORTER_ASSERT(reporter, !shader->isOpaque());
@@ skipping 84 matching lines @@
     // since lack of opacity will depend solely on the paint
     SkColorShader colorShader4;
     REPORTER_ASSERT(reporter, colorShader4.isOpaque());
 }
 
 DEF_TEST(ShaderOpacity, reporter) {
     test_gradient(reporter);
     test_color(reporter);
     test_bitmap(reporter);
 }