test-nointerrupt: make "sure" the handler "might" trigger (issue6558) We are sure that the signal got sent in the right time frame, however, we still have race, so either the code is actually buggy or we need some security to make sure the signal get processed. We might be affected by https://bugs.python.org/issue43406 ? Differential Revision: https://phab.mercurial-scm.org/D11251

testing: make sure write_file is "atomic" This make sure viewer cannot see the new file with partial content. This was likely the cause of some flakiness in `test-nointerrupt.t` Differential Revision: https://phab.mercurial-scm.org/D11250

test: disable test-subrepo-git.t in python2 + chg I am a couple of days in try to debug that at it seems minor enough with enough other priority to simply disable it for now. Differential Revision: https://phab.mercurial-scm.org/D11253

check-module-imports: ignore non-stdlib module installed by distribution Previously, the check script would detect breezy as part of the stdlib if installed using the debian package manager. This silence the following complains: tests/test-convert-bzr.t:117: imports not lexically sorted: breezy.bzr.bzrdir < sys tests/test-convert-bzr.t:117: stdlib import "breezy.bzr.bzrdir" follows local import: breezy tests/test-convert-bzr-ghosts.t:7: imports not lexically sorted: breezy.bzr.bzrdir < sys tests/test-convert-bzr-ghosts.t:7: stdlib import "breezy.bzr.bzrdir" follows local import: breezy tests/test-convert-bzr-treeroot.t:7: imports not lexically sorted: breezy.bzr.bzrdir < sys tests/test-convert-bzr-treeroot.t:7: stdlib import "breezy.bzr.bzrdir" follows local import: breezy Differential Revision: https://phab.mercurial-scm.org/D11249