test/tint: Fix e2e test generation for vec / mat

Where the intrinsic uses the fixed-dimension form of the types.

Change-Id: I1709382f762fe7394bbd88f428f09b15a1a8a643
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/108642
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Ben Clayton <bclayton@google.com>
diff --git a/test/tint/builtins/gen/literal/textureLoad/4fd803.wgsl.expected.fxc.hlsl b/test/tint/builtins/gen/literal/textureLoad/4fd803.wgsl.expected.fxc.hlsl
index 2fe1770..6d0e1ca 100644
--- a/test/tint/builtins/gen/literal/textureLoad/4fd803.wgsl.expected.fxc.hlsl
+++ b/test/tint/builtins/gen/literal/textureLoad/4fd803.wgsl.expected.fxc.hlsl
@@ -1,7 +1,7 @@
 Texture3D<int4> arg_0 : register(t0, space1);
 
 void textureLoad_4fd803() {
-  int4 res = arg_0.Load(int4(0, 0, 0, 1));
+  int4 res = arg_0.Load(int4((1).xxx, 1));
 }
 
 struct tint_symbol {