t1100: move creation of expected output into setup test #29041

Job	Run time
config	9s
fuzz smoke test	1m 18s
win build	5m 9s
documentation	7m 22s
static-analysis	5m 53s
sparse	3m 54s
win+Meson build	3m 31s
rust-analysis	1m 52s
osx-reftable (macos-14)	20m 48s
osx-meson (macos-14)	21m 45s
osx-gcc (macos-14)	24m 47s
osx-clang (macos-14)	19m 6s
linux-reftable-leaks (ubuntu:rolling)	31m 33s
linux-leaks (ubuntu:rolling)	24m 14s
linux-asan-ubsan (ubuntu:rolling)	36m 21s
linux-musl-meson (alpine:latest)	8m 2s
linux32 (i386/ubuntu:20.04)	11m 6s
fedora-breaking-changes-meson (fedora:latest)	10m 0s
almalinux-8 (almalinux:8)	9m 18s
linux-meson (ubuntu:rolling)	14m 10s
win+VS build	0s
debian-11 (debian:11)	10m 30s
linux-breaking-changes (ubuntu:rolling)	15m 5s
linux-sha256 (ubuntu:rolling)	15m 20s
linux-reftable (ubuntu:rolling)	14m 55s
linux-TEST-vars (ubuntu:20.04)	23m 34s
win+VS test	0s
win test (6)	11m 53s
win test (1)	6m 6s
win test (9)	5m 42s
win test (7)	7m 57s
win test (5)	9m 23s
win test (3)	10m 11s
win test (2)	7m 50s
win test (0)	7m 17s
win test (8)	6m 46s
win test (4)	9m 28s
win+Meson test (9)	6m 10s
win+Meson test (5)	7m 4s
win+Meson test (3)	8m 34s
win+Meson test (1)	7m 29s
win+Meson test (4)	11m 30s
win+Meson test (2)	9m 49s
win+Meson test (6)	13m 47s
win+Meson test (0)	7m 22s
win+Meson test (7)	7m 42s
win+Meson test (8)	10m 49s
	8h 32m 31s

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