Make more unit tests run on Vulkan

tests/SpecialImageTest.cpp

Index: tests/SpecialImageTest.cpp
diff --git a/tests/SpecialImageTest.cpp b/tests/SpecialImageTest.cpp
index 2818ce9ec7388ac1f6e94186966f8bc29708b5a9..a8a79668a7da624d94a3f5946d2e88008cd50edb 100644
--- a/tests/SpecialImageTest.cpp
+++ b/tests/SpecialImageTest.cpp
@@ -213,7 +213,7 @@ static void test_texture_backed(skiatest::Reporter* reporter,
 }
 
 // Test out the SkSpecialImage::makeTextureImage entry point
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo) {
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo) {
     GrContext* context = ctxInfo.fGrContext;
     SkBitmap bm = create_bm();
 
@@ -277,7 +277,7 @@ DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInf
     }
 }
 
-DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SpecialImage_Gpu, reporter, ctxInfo) {
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu, reporter, ctxInfo) {
     GrContext* context = ctxInfo.fGrContext;
     SkBitmap bm = create_bm();