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60e46704bd
Problem: Some test_mksession tests do not cleanup all the state
Solution: Add commands to clean up state introduced by the test
(Illia Bobyr)
Before this change the following 4 tests were failing when executed
individually:
Test_mksession_arglocal_localdir
Test_mksession_buffer_count
Test_mksession_one_buffer_two_windows
Test_mksession_winminheight
As in
```
TEST_FILTER=winminheight make test_mksession
```
Yet, when ran as part of the whole test suite they succeeded.
This was due to some state leaking from one test into another.
I think this is bad, as it can confuse someone making changes in the
relevant area.
`Test_mksession_winminheight` is actually still broken a bit, and
requires `winheight` and `winwidth` set at the beginning of the test,
rather than later, when it actually matters. This exposes a subtle bug
in the session restore script. I have a patch in a separate commit.
closes: vim/vim#20691
834b8d218f
Co-authored-by: Illia Bobyr <illia.bobyr@gmail.com>
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