qtest: bump boot-serial-test timeout to 3 minutes

The boot-serial-test takes about 1 + 1/2 minutes in a --enable-debug
build. Bumping to 3 minutes will give more headroom.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20230717182859.707658-9-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-9-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
1 file changed