testVerticallyMergedCellBorder failing on some systems

[Ilmari Lauhakangas]

On 12.7.2021 14.24, Miklos Vajna wrote:
> On Mon, Jul 12, 2021 at 01:56:45PM +0300, Ilmari Lauhakangas <ilmari.lauhakangas at libreoffice.org> wrote:
>> Here is how it looks like for me on Linux: https://postimg.cc/2bN6WFfS
>>
>> Same result with 7.1.4 as well.
> 
> Yes, that's perfect. I assume it doesn't look like this on a system
> where the test fails.
> 
>> Table seems to shift outside the left margin.
> 
> That's a feature. The markup in the docx file declares that the first
> paragraph and the paragraph in the A1 cell has the same left position,
> which requires this.

After discussing on IRC with Miklos I created this patch to increase the 
tolerance: https://gerrit.libreoffice.org/c/core/+/118778

My mentee can run full make check now without any patches, so apparently 
the result was wobbly.

Ilmari