x/text/transform: Errorf format %q has arg nDst of wrong type int

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/text/transform" && test == "" && `Errorf format %q has arg nDst of wrong type int`

Issue created automatically to collect these failures.

Example (log):

FAIL	golang.org/x/text/transform [build failed]
# golang.org/x/text/transform
# [golang.org/x/text/transform]
transform/transform_test.go:736:23: (*testing.common).Errorf format %q has arg nDst of wrong type int

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/text/transform" && test == ""

2025-11-14 20:24 x_text-gotip-linux-amd64-tiplang text@16f85a7f go@de456450 x/text/transform (log)

FAIL	golang.org/x/text/transform [build failed]
# golang.org/x/text/transform
# [golang.org/x/text/transform]
transform/transform_test.go:736:23: (*testing.common).Errorf format %q has arg nDst of wrong type int

— watchflakes

[dmitshur]

Fixed by CL 725061.