tests: Fix root uid check in test-commit-sign.sh

diff --git a/tests/test-commit-sign.sh b/tests/test-commit-sign.sh
index 01a3a2ed1eabc9e952d1f74259cd1b177c91ff72..0db0048f1c1526a663d75e19d67a215c25d0cdfd 100755 (executable)
--- a/tests/test-commit-sign.sh
+++ b/tests/test-commit-sign.sh
@@ -25,7 +25,7 @@ fi
 
 # Skip the test when non-root as gpgme would not read files owned by
 # another user.
-if test "$(id -i)" != "0"; then
+if test "$(id -u)" != "0"; then
     exit 77
 fi