test: fix the user deletion test on Windows
On Windows the test checks that stopping the server printed nothing to
stderr, but it still saw the expected error from the step before. Run
a harmless command first to clear it, as the other tests do.
💘 Generated with Crush
Assisted-by: Crush:claude-opus-5-5
Diff
1diff --git a/testscript/testdata/user-delete-owner.txtar b/testscript/testdata/user-delete-owner.txtar
2index b3b8d586ea31cf46d92a574d4e9a122074b3f605..f7f6508e8e7d986d078bc9e67c07552b6d3205da 100644
3--- a/testscript/testdata/user-delete-owner.txtar
4+++ b/testscript/testdata/user-delete-owner.txtar
5@@ -18,6 +18,8 @@ soft repo delete foo-repo
6 soft user delete foo
7 ! soft user info foo
8 stderr '.*not found.*'
9+# a placeholder to reset stderr
10+soft help
1112 # stop the server
13 [windows] stopserver