tdf#154451 uitest: use more oneprocess mode

Execution time changes:

- UITest_writerperfect_epubexport: 20,023 -> 6,083s
- UITest_svx_table: 15,214s -> 14,378s
- UITest_cui_tabpages: 13,561s -> 12,503s
- UITest_math_demo: 19,737s -> 13,578s

Change-Id: Ide03d5d9cb884297291a5ed1351de5a7602fcba4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/150346
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Tested-by: Jenkins

0 files changed, 0 insertions, 0 deletions