tools: intrinsic-gen - [[decoration]] -> @attribute

More closely resembles WGSL.

Change-Id: Ia1b93bb443b4e3bf9329f8026d1924f12648cb7b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92245
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
diff --git a/tools/src/cmd/intrinsic-gen/resolver/resolver_test.go b/tools/src/cmd/intrinsic-gen/resolver/resolver_test.go
index 7ce9236..6679431 100644
--- a/tools/src/cmd/intrinsic-gen/resolver/resolver_test.go
+++ b/tools/src/cmd/intrinsic-gen/resolver/resolver_test.go
@@ -44,7 +44,7 @@
 			`type X`,
 			success,
 		}, {
-			`[[display("Y")]] type X`,
+			`@display("Y") type X`,
 			success,
 		}, {
 			`
@@ -188,14 +188,14 @@
 file.txt:1:13 'X' already declared
 First declared here: file.txt:1:6`,
 		}, {
-			`[[meow]] type X`,
+			`@meow type X`,
 			`
-file.txt:1:3 unknown decoration
+file.txt:1:2 unknown attribute
 `,
 		}, {
-			`[[display("Y", "Z")]] type X`,
+			`@display("Y", "Z") type X`,
 			`
-file.txt:1:3 expected a single value for 'display' decoration`,
+file.txt:1:2 expected a single value for 'display' attribute`,
 		}, {
 			`
 enum e { a }