Use DEFINE_TESTCLASS_SHORT macro in tests.

tests/EmptyPathTest.cpp

Index: tests/EmptyPathTest.cpp
diff --git a/tests/EmptyPathTest.cpp b/tests/EmptyPathTest.cpp
index 153af1f50abf56794cc84576d47c3bb30867fc5a..fa1fd7f489bb92decb77fff42e0d3675eb3b6450 100644
--- a/tests/EmptyPathTest.cpp
+++ b/tests/EmptyPathTest.cpp
@@ -6,6 +6,7 @@
  */
 
 #include "Test.h"
+#include "TestClassDef.h"
 #include "SkPath.h"
 #include "SkCanvas.h"
 
@@ -148,9 +149,6 @@ static void test_emptydrawing(skiatest::Reporter* reporter) {
     }
 }
 
-static void TestEmptyPath(skiatest::Reporter* reporter) {
+DEF_TEST(EmptyPath, reporter) {
     test_emptydrawing(reporter);
 }
-
-#include "TestClassDef.h"
-DEFINE_TESTCLASS("EmptyPath", TestEmptyPathClass, TestEmptyPath)