test-lib: add the '--stress' option to run a test repeatedly under load

diff --git a/t/t1507-rev-parse-upstream.sh b/t/t1507-rev-parse-upstream.sh
index 2ce68cc277a1ed742ce7b644de31a4a847e3529b..fa3e4996418d6d78afa31e9be19b6c77b22cd819 100755 (executable)
--- a/t/t1507-rev-parse-upstream.sh
+++ b/t/t1507-rev-parse-upstream.sh
@@ -123,9 +123,9 @@ test_expect_success 'checkout -b new my-side@{u} forks from the same' '
 
 test_expect_success 'merge my-side@{u} records the correct name' '
 (
-       cd clone || exit
-       git checkout master || exit
-       git branch -D new ;# can fail but is ok
+       cd clone &&
+       git checkout master &&
+       test_might_fail git branch -D new &&
        git branch -t new my-side@{u} &&
        git merge -s ours new@{u} &&
        git show -s --pretty=tformat:%s >actual &&
@@ -138,8 +138,7 @@ test_expect_success 'branch -d other@{u}' '
        git checkout -t -b other master &&
        git branch -d @{u} &&
        git for-each-ref refs/heads/master >actual &&
-       >expect &&
-       test_cmp expect actual
+       test_must_be_empty actual
 '
 
 test_expect_success 'checkout other@{u}' '
@@ -209,8 +208,9 @@ test_expect_success '@{u} works when tracking a local branch' '
        test refs/heads/master = "$(full_name @{u})"
 '
 
+commit=$(git rev-parse HEAD)
 cat >expect <<EOF
-commit 8f489d01d0cc65c3b0f09504ec50b5ed02a70bd5
+commit $commit
 Reflog: master@{0} (C O Mitter <committer@example.com>)
 Reflog message: branch: Created from HEAD
 Author: A U Thor <author@example.com>
@@ -224,7 +224,7 @@ test_expect_success 'log -g other@{u}' '
 '
 
 cat >expect <<EOF
-commit 8f489d01d0cc65c3b0f09504ec50b5ed02a70bd5
+commit $commit
 Reflog: master@{Thu Apr 7 15:17:13 2005 -0700} (C O Mitter <committer@example.com>)
 Reflog message: branch: Created from HEAD
 Author: A U Thor <author@example.com>