t3418: decouple test cases from a previous `rebase -p` test case

diff --git a/t/t3418-rebase-continue.sh b/t/t3418-rebase-continue.sh
index 25099d715cee0dff321c75b944f25f58169bf645..031e3d8ddbfccb048d5a6aa79f3f0c0180f52ded 100755 (executable)
--- a/t/t3418-rebase-continue.sh
+++ b/t/t3418-rebase-continue.sh
@@ -177,6 +177,7 @@ test_expect_success 'setup rerere database' '
        git checkout master &&
        test_commit "commit-new-file-F3" F3 3 &&
        test_config rerere.enabled true &&
+       git update-ref refs/heads/topic commit-new-file-F3-on-topic-branch &&
        test_must_fail git rebase -m master topic &&
        echo "Resolved" >F2 &&
        cp F2 expected-F2 &&