feat: purge selected packages in one transaction

tests/unit/backends.bats

@@ -785,3 +785,13 @@ zypp_conf() { # a "real" zypp.conf + locks file with one user lock, in the test
 	refute_output --partial 'skeptical-updater.'
 	[[ ! -e $STATE/zypper-private ]]
 }
+
+@test "pacman: dependent and dependency are simulated and purged together" {
+	use_fakes pacman
+	run skup --no-refresh <<<$'2x 1x\ny\nq'
+	assert_success
+	assert_line 'Purge su-dummy-a su-dummy-b now? [y/N] y'
+	assert_line 'purged: su-dummy-a su-dummy-b'
+	log_has 'pacman -Rs --print --print-format %n -- su-dummy-a su-dummy-b'
+	log_has 'pacman -Rns --noconfirm -- su-dummy-a su-dummy-b'
+}