distrial - write test.log always in utf-8.

[twisted-trac]

	@adiroiban reported
Trac ID	trac#10157
Type	defect
Created	2021-03-28 02:07:45Z

Right now the test.log is written in default encoding.

The default encoding can be cp1252 on windows.

The sub-process sends logs data as unicode via AMP and with cp1252 encoding things break.

Searchable metadata

trac-id__10157 10157
type__defect defect
reporter__adiroiban adiroiban
priority__normal normal
milestone__None None
branch__ 
branch_author__ 
status__closed closed
resolution__fixed fixed
component__trial trial
keywords__review review
time__1616897265553036 1616897265553036
changetime__1621026308344329 1621026308344329
version__None None
owner__Adi_Roiban__adiroiban_____ Adi Roiban <adiroiban@...>

[twisted-trac]

	@adiroiban commented

PR at #1572

[twisted-trac]

	@adiroiban set owner to @adiroiban @adiroiban set status to closed

In changeset 927e52f

#!CommitTicketReference repository="" revision="927e52fa0067a6371bdcb8d2ffe7b08fd9fe1b09"
Merge pull request #1572 from twisted/10157-distrial-utf8-log-file

Merge pull request #123 from twisted/4356-branch-name-with-trac-id

Author: adiroiban
Reviewer: wiml
Fixes: ticket:10157

Always write distrial log file in UTF-8.