Disable MSL tests that fail to validate

Change-Id: Iaf31627798a83625a075e529aa3886cf84b164b1
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/52040
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: James Price <jrprice@google.com>
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
diff --git a/test/bug/tint/221.wgsl.expected.msl b/test/bug/tint/221.wgsl.expected.msl
index 4ff961b..1438663 100644
--- a/test/bug/tint/221.wgsl.expected.msl
+++ b/test/bug/tint/221.wgsl.expected.msl
@@ -1,3 +1,5 @@
+SKIP: crbug.com/tint/833 loop emission is broken
+
 #include <metal_stdlib>
 
 using namespace metal;
diff --git a/test/bug/tint/744.wgsl.expected.msl b/test/bug/tint/744.wgsl.expected.msl
index a99c53a..6c0a282 100644
--- a/test/bug/tint/744.wgsl.expected.msl
+++ b/test/bug/tint/744.wgsl.expected.msl
@@ -1,3 +1,5 @@
+SKIP: crbug.com/tint/817
+
 #include <metal_stdlib>
 
 using namespace metal;
diff --git a/test/bug/tint/782.wgsl.expected.msl b/test/bug/tint/782.wgsl.expected.msl
index d8d58a5..638f5fd 100644
--- a/test/bug/tint/782.wgsl.expected.msl
+++ b/test/bug/tint/782.wgsl.expected.msl
@@ -1,3 +1,5 @@
+SKIP: crbug.com/tint/814
+
 #include <metal_stdlib>
 
 using namespace metal;
diff --git a/test/bug/tint/824.wgsl.expected.msl b/test/bug/tint/824.wgsl.expected.msl
index fa3aabb..44d2205 100644
--- a/test/bug/tint/824.wgsl.expected.msl
+++ b/test/bug/tint/824.wgsl.expected.msl
@@ -1,3 +1,5 @@
+SKIP: crbug.com/tint/817
+
 #include <metal_stdlib>
 
 using namespace metal;
diff --git a/test/ptr_ref/access/vector.wgsl.expected.msl b/test/ptr_ref/access/vector.wgsl.expected.msl
index fc61851..87122cf 100644
--- a/test/ptr_ref/access/vector.wgsl.expected.msl
+++ b/test/ptr_ref/access/vector.wgsl.expected.msl
@@ -1,3 +1,5 @@
+SKIP: crbug.com/tint/816
+
 #include <metal_stdlib>
 
 using namespace metal;
diff --git a/test/samples/compute_boids.wgsl.expected.msl b/test/samples/compute_boids.wgsl.expected.msl
index 8b7f485..23298d4 100644
--- a/test/samples/compute_boids.wgsl.expected.msl
+++ b/test/samples/compute_boids.wgsl.expected.msl
@@ -1,3 +1,5 @@
+SKIP: crbug.com/tint/817
+
 #include <metal_stdlib>
 
 using namespace metal;
diff --git a/test/samples/triangle.wgsl.expected.msl b/test/samples/triangle.wgsl.expected.msl
index 7c4039b..3d108db 100644
--- a/test/samples/triangle.wgsl.expected.msl
+++ b/test/samples/triangle.wgsl.expected.msl
@@ -1,3 +1,5 @@
+SKIP: crbug.com/tint/817
+
 #include <metal_stdlib>
 
 using namespace metal;