test/codegen: fix failing condmove wasm tests

test/codegen: fix failing condmove wasm tests

These recently added tests failed when using the -all_codgen flag.

Fixes #74770

Change-Id: Idea1ea02af2bd9f45c7d0a28d633c7442328e6df
Reviewed-on: https://go-review.googlesource.com/c/go/+/690715
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
Run-TryBot: Michael Munday <mikemndy@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Mark Freeman <mark@golang.org>
Auto-Submit: Jorropo <jorropo.pgm@gmail.com>
TryBot-Bypass: Michael Knyszek <mknyszek@google.com>