Vulkan: Clear to opaque black instead of transparent

This is a problem when we emulate RGB8 with RGBA8.

Bug: angleproject:2536
Change-Id: I5665e513ef0138bc56f52ba35342378d8392989f
Reviewed-on: https://chromium-review.googlesource.com/1051687
Commit-Queue: Luc Ferron <lucferron@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/tests/gl_tests/TextureTest.cpp b/src/tests/gl_tests/TextureTest.cpp
index 7b54f69..70edd59 100644
--- a/src/tests/gl_tests/TextureTest.cpp
+++ b/src/tests/gl_tests/TextureTest.cpp
@@ -1398,10 +1398,7 @@
 // Test that glTexSubImage2D works properly when glTexStorage2DEXT has initialized the image with a default color.
 TEST_P(Texture2DTest, TexStorage)
 {
-    // TODO(lucferron): Follow up to clear with opaque black in TextureVk::initImageAndViews.
-    // http://anglebug.com/2536
-    ANGLE_SKIP_TEST_IF(IsVulkan() ||
-                       getClientMajorVersion() < 3 && !extensionEnabled("GL_EXT_texture_storage"));
+    ANGLE_SKIP_TEST_IF(getClientMajorVersion() < 3 && !extensionEnabled("GL_EXT_texture_storage"));
 
     int width = getWindowWidth();
     int height = getWindowHeight();