Suppress EntryPointTests.FragAndVertexSameModule on GL

The test is failing because it seems that SPIRV-Cross is outputing some
of the builtins for the vertex in the fragment shader and vice-versa.

Bug: chromium:1163767
TBR=senorblanco@chromium.org

Change-Id: Iefbc1beb9065a92f1d61776d12c903d4e80648d4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/37040
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
diff --git a/src/tests/end2end/EntryPointTests.cpp b/src/tests/end2end/EntryPointTests.cpp
index f3795ca..776c2dc 100644
--- a/src/tests/end2end/EntryPointTests.cpp
+++ b/src/tests/end2end/EntryPointTests.cpp
@@ -22,7 +22,7 @@
 // Test creating a render pipeline from two entryPoints in the same module.
 TEST_P(EntryPointTests, FragAndVertexSameModule) {
     // TODO: Reenable once Tint is able to produce Vulkan 1.0 / 1.1 SPIR-V.
-    DAWN_SKIP_TEST_IF(IsVulkan());
+    DAWN_SKIP_TEST_IF(IsVulkan() || IsOpenGL() || IsOpenGLES());
 
     wgpu::ShaderModule module = utils::CreateShaderModuleFromWGSL(device, R"(
         [[builtin(position)]] var<out> Position : vec4<f32>;