fix: "abra app restart" docs + --all-services

See coop-cloud/organising#605

tests/integration/app_restart.bats

@@ -34,7 +34,7 @@ teardown(){
 @test "error if service missing" {
   run $ABRA app restart "$TEST_APP_DOMAIN"
   assert_failure
-  assert_output --partial 'missing service'
+  assert_output --partial 'missing <service>'
 }
 
 @test "error if not deployed" {
@@ -53,3 +53,17 @@ teardown(){
   assert_output --regexp 'attempting to scale .* to 1'
   assert_output --partial 'service successfully restarted'
 }
+
+@test "cannot use <service> and --all-services together" {
+  run $ABRA app restart "$TEST_APP_DOMAIN" app --all-services
+  assert_failure
+  assert_output --regexp "cannot use .* together"
+}
+
+# bats test_tags=slow
+@test "all services are restarted" {
+  _deploy_app
+
+  run $ABRA app restart "$TEST_APP_DOMAIN" --all-services --debug
+  assert_success
+}