Make more unit tests run on Vulkan

tests/Test.h

Index: tests/Test.h
diff --git a/tests/Test.h b/tests/Test.h
index 1363f8c080033ef0b8a76c1f4d8752a438fcedec..90a0139f56d6b060e685f745cc75246c87b2f3a8 100644
--- a/tests/Test.h
+++ b/tests/Test.h
@@ -170,6 +170,9 @@ private:
 
 #define DEF_GPUTEST_FOR_ALL_CONTEXTS(name, reporter, context_info)                          \
         DEF_GPUTEST_FOR_CONTEXTS(name, nullptr, reporter, context_info)
+#define DEF_GPUTEST_FOR_RENDERING_CONTEXTS(name, reporter, context_info)                    \
+        DEF_GPUTEST_FOR_CONTEXTS(name, sk_gpu_test::GrContextFactory::IsRenderingContext,   \

[jvanverth1, 2016/04/12 16:49:40]

Why is this sk_gpu_test while the others are skiatest?

[bsalomon, 2016/04/12 16:58:34]

The other predicates are declared above in this function. We already happened to
have a static function in GrContextFactory that was the predicate I needed.
GrContextFactory is in the sk_gpu_test namespace because it is in the skgputest
target.

+                                 reporter, context_info)
 #define DEF_GPUTEST_FOR_ALL_GL_CONTEXTS(name, reporter, context_info)                       \
         DEF_GPUTEST_FOR_CONTEXTS(name, &skiatest::IsGLContextType, reporter, context_info)
 #define DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(name, reporter, context_info)                 \