2a3aecc3

By: Tom Sydney Kerckhove <syd@cs-syd.eu>

Run mutation children under the locale every other test gets

The Haskell builder gives an ordinary test derivation LANG and
LOCALE_ARCHIVE. mutationCheck built its coverage and mutation phases with a
bare stdenv.mkDerivation, so the same suite ran here under no locale at all.

Anything a test spawns that reads the locale was then configured differently
here than anywhere else that suite runs. PostgreSQL's initdb takes its database
encoding from the locale: with LANG unset it makes an SQL_ASCII cluster, where
SUBSTRING counts bytes rather than characters, so a query that abbreviates a
multi-byte string hands back a half character and the connection fails with
'invalid byte sequence for encoding UTF8'. That reads as a flaky test, and it
is reachable only through this check.

Total

1m35s

Created 2 weeks ago Started 2 weeks ago Finished 2 weeks ago

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