tests: Fix checks for expected failures.

Addresses <https://issues.guix.gnu.org/62406>.

With 'set -e', a return status inverted with '!' does not cause the shell to
exit immediately.  Instead use '&& false' to indicate an expected failure.

* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh,
tests/guix-environment-container.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-home.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh, tests/guix-refresh.sh, tests/guix-shell.sh,
tests/guix-style.sh, tests/guix-system.sh: Replace uses of '! ...' with
'... && false' or `test ! ...` as appropriate.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

1 files changed, 5 insertions, 3 deletions

diff --git a/tests/guix-archive.sh b/tests/guix-archive.sh
index 00b87ff0ac..0866b5a4d8 100644
--- a/tests/guix-archive.sh
+++ b/tests/guix-archive.sh
@@ -44,7 +44,7 @@ cmp "$archive" "$archive_alt"
 # Check the exit value upon import.
 guix archive --import < "$archive"
 
-! guix archive something-that-does-not-exist
+guix archive --export something-that-does-not-exist && false
 
 # This one must not be listed as missing.
 guix build guile-bootstrap > "$archive"
@@ -61,7 +61,7 @@ cmp "$archive" "$archive_alt"
 
 # This is not a valid store file name, so an error.
 echo something invalid > "$archive"
-! guix archive --missing < "$archive"
+guix archive --missing < "$archive" && false
 
 # Check '--extract'.
 guile -c "(use-modules (guix serialization))
@@ -77,4 +77,6 @@ guix archive -t < "$archive" | grep "^D /share/guile"
 guix archive -t < "$archive" | grep "^x /bin/guile"
 guix archive -t < "$archive" | grep "^r /share/guile.*/boot-9\.scm"
 
-! echo foo | guix archive --authorize
+echo foo | guix archive --authorize && false
+
+exit 0