add expected failures

Author: fairywreath

tests/expected-failure.txt

@@ -6,3 +6,5 @@ tests/bugs/byte-address-buffer-interlocked-add-f32.slang (vk)
 tests/ir/loop-unroll-0.slang.1 (vk)
 tests/hlsl-intrinsic/texture/float-atomics.slang (vk)
 gfx-unit-test-tool/precompiledTargetModule2Vulkan.internal
+tests/glsl-intrinsic/shader-subgroup/shader-subgroup-builtin-variables.slang.8 (mtl)
+tests/glsl-intrinsic/shader-subgroup/shader-subgroup-builtin-variables-2.slang.3 (mtl)

tests/glsl-intrinsic/shader-subgroup/shader-subgroup-builtin-variables-2.slang

@@ -3,8 +3,8 @@
 //TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=BUF):-wgpu -compute -entry computeMain -allow-glsl
 
 
-// TODO: There are some issues with the Metal backend when using glsl-style syntax, test is disabled for now.
-//DISABLE_TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=BUF):-metal -compute -entry computeMain -allow-glsl
+// There are some issues with the Metal backend when using glsl-style syntax - this should be fixed.
+//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=BUF):-metal -compute -entry computeMain -allow-glsl
 
 #version 430
 

tests/glsl-intrinsic/shader-subgroup/shader-subgroup-builtin-variables.slang

@@ -12,8 +12,8 @@
 //TEST(compute, vulkan):COMPARE_COMPUTE_EX(filecheck-buffer=BUF):-vk -compute -entry computeMain -allow-glsl -emit-spirv-directly -xslang -DTARGET_VK
 //TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=BUF):-wgpu -compute -entry computeMain -allow-glsl
 
-// TODO: There are some issues with the Metal backend when using glsl-style syntax, test is disabled for now.
-//DISABLE_TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=BUF):-metal -compute -entry computeMain -allow-glsl -xslang -DTARGET_METAL
+// There are some issues with the Metal backend when using glsl-style syntax - this should be fixed.
+//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=BUF):-metal -compute -entry computeMain -allow-glsl -xslang -DTARGET_METAL
 
 #version 430