completion: simplify tests using test_completion_long()

diff --git a/t/t1501-worktree.sh b/t/t1501-worktree.sh
index e661147c573fa7312e8f533a4a4c8ea1eda7763f..8f36aa9fc4d2bdd8b590e3241eccf88609db4ee2 100755 (executable)
--- a/t/t1501-worktree.sh
+++ b/t/t1501-worktree.sh
@@ -68,7 +68,7 @@ test_expect_success 'inside work tree' '
        )
 '
 
-test_expect_failure 'empty prefix is actually written out' '
+test_expect_success 'empty prefix is actually written out' '
        echo >expected &&
        (
                cd work &&