cmd/link: fix TestLargeText
cmd/link: fix TestLargeText

This test is not run in short mode so it was getting
failures that didn't happen with default testing. See
the issue for details on the failures.

Fixes #45406

Change-Id: I51d97cc4c910fe3ba2bc0a12742023a57d101f44
Reviewed-on: https://go-review.googlesource.com/c/go/+/308935
Run-TryBot: Lynn Boger <b27445fe6fb259c37b8e0a4ce56e22e2413754bf@linux.vnet.ibm.com>
TryBot-Result: Go Bot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Paul Murphy <2e1d8d6f81223fe22f04c5349bc2b02555a275af@ibm.com>
Reviewed-by: Cherry Zhang <d62e63aa42ce272d7b6a5055d97e942b33a34679@google.com>
Trust: Lynn Boger <b27445fe6fb259c37b8e0a4ce56e22e2413754bf@linux.vnet.ibm.com>

CAFxX/go,CAFxX/go,nawawi/go,golang/go,cloudflare/go,golang/go,CAFxX/go,cloudflare/go,golang/go,golang/go,CAFxX/go,cloudflare/go,cloudflare/go,golang/go,nawawi/go,golang/go,nawawi/go,CAFxX/go,golang/go,nawawi/go,golang/go,CAFxX/go,cloudflare/go,CAFxX/go,nawawi/go,cloudflare/go,cloudflare/go,nawawi/go,nawawi/go,CAFxX/go,cloudflare/go,nawawi/go