tint/test/builtins/gen: Fix i32 argument values

These were incorrectly abstract-int, instead of i32. Oops.

Change-Id: Iafac4883ee431b04fb473392f545ae26436f8343
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/106885
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
diff --git a/test/tint/builtins/gen/var/insertBits/428b0b.wgsl.expected.wgsl b/test/tint/builtins/gen/var/insertBits/428b0b.wgsl.expected.wgsl
index 3c5e1ee..d9a37dc 100644
--- a/test/tint/builtins/gen/var/insertBits/428b0b.wgsl.expected.wgsl
+++ b/test/tint/builtins/gen/var/insertBits/428b0b.wgsl.expected.wgsl
@@ -1,6 +1,6 @@
 fn insertBits_428b0b() {
-  var arg_0 = vec3<i32>(1);
-  var arg_1 = vec3<i32>(1);
+  var arg_0 = vec3<i32>(1i);
+  var arg_1 = vec3<i32>(1i);
   var arg_2 = 1u;
   var arg_3 = 1u;
   var res : vec3<i32> = insertBits(arg_0, arg_1, arg_2, arg_3);