tests: fix non-portable "${var:-"str"}" construct

diff --git a/t/t0005-signals.sh b/t/t0005-signals.sh
index 46042f1f1338f628d5256f0e932a4037e98b34ab..4c214bd11c48859f0c4e64dbbe2d783e744eb1d1 100755 (executable)
--- a/t/t0005-signals.sh
+++ b/t/t0005-signals.sh
@@ -10,7 +10,7 @@ one
 EOF
 
 test_expect_success 'sigchain works' '
-       { test-sigchain >actual; ret=$?; } &&
+       { test-tool sigchain >actual; ret=$?; } &&
        {
                # Signal death by raise() on Windows acts like exit(3),
                # regardless of the signal number. So we must allow that
@@ -24,7 +24,7 @@ test_expect_success 'sigchain works' '
 test_expect_success !MINGW 'signals are propagated using shell convention' '
        # we use exec here to avoid any sub-shell interpretation
        # of the exit code
-       git config alias.sigterm "!exec test-sigchain" &&
+       git config alias.sigterm "!exec test-tool sigchain" &&
        test_expect_code 143 git sigterm
 '
 
@@ -36,7 +36,7 @@ large_git () {
 }
 
 test_expect_success 'create blob' '
-       test-genrandom foo 16384 >file &&
+       test-tool genrandom foo 16384 >file &&
        git add file
 '