correctly setting launch parameters should fix the test (shader-slang#4551)

Author: ArielG-NV

tests/compute/semantic.slang

@@ -2,7 +2,7 @@
 //TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -compute-dispatch 3,1,1 -shaderobj
 //TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -dx12 -compute-dispatch 3,1,1 -shaderobj
 //TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -compute-dispatch 3,1,1 -shaderobj
-//DISABLE_TEST(compute):COMPARE_COMPUTE:-slang -shaderobj -mtl
+//TEST(compute):COMPARE_COMPUTE_EX:-mtl -compute -compute-dispatch 3,1,1 -shaderobj
 
 //TEST_INPUT:ubuffer(data=[0 0 0 0  0 0 0 0  0 0 0 0], stride=4):out,name outputBuffer
 RWStructuredBuffer<int> outputBuffer;