test_helpers: fix unepextected closing of file on error
diff --git a/tests/test_helpers.c b/tests/test_helpers.c
index 9ed0d79..fc03519 100644
--- a/tests/test_helpers.c
+++ b/tests/test_helpers.c
@@ -197,7 +197,8 @@ int copy_file(const char *src, const char *dst)
cleanup:
git_buf_free(&source_buf);
- p_close(dst_fd);
+ if (dst_fd >= 0)
+ p_close(dst_fd);
return error;
}