test: fix '&&' chaining

diff --git a/t/t2020-checkout-detach.sh b/t/t2020-checkout-detach.sh
index 2366f0f4141656666db9cdcd8975335df57b6a8f..068fba4c8e8706aa615d0401da1da47901113156 100755 (executable)
--- a/t/t2020-checkout-detach.sh
+++ b/t/t2020-checkout-detach.sh
@@ -12,11 +12,14 @@ check_not_detached () {
 }
 
 ORPHAN_WARNING='you are leaving .* commit.*behind'
+PREV_HEAD_DESC='Previous HEAD position was'
 check_orphan_warning() {
-       test_i18ngrep "$ORPHAN_WARNING" "$1"
+       test_i18ngrep "$ORPHAN_WARNING" "$1" &&
+       test_i18ngrep ! "$PREV_HEAD_DESC" "$1"
 }
 check_no_orphan_warning() {
-       test_i18ngrep ! "$ORPHAN_WARNING" "$1"
+       test_i18ngrep ! "$ORPHAN_WARNING" "$1" &&
+       test_i18ngrep "$PREV_HEAD_DESC" "$1"
 }
 
 reset () {