Enable all angle_end2end_tests targeting OpenGL and OpenGL ES backends.

Added failure supressions and filed bugs for failing tests.

BUG=angleproject:1145
BUG=angleproject:1289
BUG=angleproject:1291
BUG=angleproject:1292
BUG=angleproject:1293
BUG=angleproject:1296

Change-Id: Ida78ba855500fe8a6ce6154d43ee01520330e3b1
Reviewed-on: https://chromium-review.googlesource.com/322695
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
diff --git a/src/tests/gl_tests/PbufferTest.cpp b/src/tests/gl_tests/PbufferTest.cpp
index ab08078..fb381e1 100644
--- a/src/tests/gl_tests/PbufferTest.cpp
+++ b/src/tests/gl_tests/PbufferTest.cpp
@@ -334,4 +334,10 @@
 }
 
 // Use this to select which configurations (e.g. which renderer, which GLES major version) these tests should be run against.
-ANGLE_INSTANTIATE_TEST(PbufferTest, ES2_D3D9(), ES2_D3D11(), ES2_OPENGL(), ES2_D3D11_WARP(), ES2_D3D11_REFERENCE());
+ANGLE_INSTANTIATE_TEST(PbufferTest,
+                       ES2_D3D9(),
+                       ES2_D3D11(),
+                       ES2_OPENGL(),
+                       ES2_D3D11_WARP(),
+                       ES2_D3D11_REFERENCE(),
+                       ES2_OPENGLES());