describe: Avoid unnecessary warning when using --all

diff --git a/t/t3201-branch-contains.sh b/t/t3201-branch-contains.sh
index 9ef593f0e11d85a62c5bbfe89febf0fce2c20fd7..b4cf628d225d380d6c0bf73dee4c3e9df0cadb41 100755 (executable)
--- a/t/t3201-branch-contains.sh
+++ b/t/t3201-branch-contains.sh
@@ -31,7 +31,7 @@ test_expect_success 'branch --contains=master' '
        {
                echo "  master" && echo "* side"
        } >expect &&
-       diff -u expect actual
+       test_cmp expect actual
 
 '
 
@@ -41,7 +41,7 @@ test_expect_success 'branch --contains master' '
        {
                echo "  master" && echo "* side"
        } >expect &&
-       diff -u expect actual
+       test_cmp expect actual
 
 '
 
@@ -51,7 +51,7 @@ test_expect_success 'branch --contains=side' '
        {
                echo "* side"
        } >expect &&
-       diff -u expect actual
+       test_cmp expect actual
 
 '