0.13.1 test failure on arm64
geary 0.13.1 has a test failure on Debian and Ubuntu's arm64 with 0.13.1 that didn't happen with 0.13.0.
Build logs
Click Build-Attempted or whatever in the status column
https://buildd.debian.org/status/package.php?p=geary&suite=experimental
Log excerpt
1/2 engine-tests FAIL 0.07 s (killed by signal 6 SIGABRT)
--- command ---
/<<PKGBUILDDIR>>/obj-aarch64-linux-gnu/test/geary-test-engine
--- stdout ---
/engine/Geary.AccountInformationTest/test_save_sent_defaults: OK
/engine/Geary.AccountInformationTest/test_sender_mailboxes: OK
/engine/Geary.AttachmentTest/get_safe_file_name_with_content_name: OK
/engine/Geary.AttachmentTest/get_safe_file_name_with_bad_content_name: OK
/engine/Geary.AttachmentTest/get_safe_file_name_with_bad_file_name: OK
/engine/Geary.AttachmentTest/get_safe_file_name_with_alt_file_name: OK
/engine/Geary.AttachmentTest/get_safe_file_name_with_no_content_name: OK
/engine/Geary.AttachmentTest/get_safe_file_name_with_no_content_name_or_id: OK
/engine/Geary.AttachmentTest/get_safe_file_name_with_default_content_type: OK
/engine/Geary.AttachmentTest/get_safe_file_name_with_default_content_type_bad_file_name: OK
/engine/Geary.AttachmentTest/get_safe_file_name_with_unknown_content_type: OK
/engine/Geary.EngineTest/add_account: OK
/engine/Geary.EngineTest/remove_account: OK
/engine/Geary.EngineTest/re_add_account: OK
/engine/Geary.FolderPathTest/get_child_from_root: OK
/engine/Geary.FolderPathTest/get_child_from_child: OK
/engine/Geary.FolderPathTest/root_is_root: OK
/engine/Geary.FolderPathTest/child_is_not_root: OK
/engine/Geary.FolderPathTest/as_array: OK
/engine/Geary.FolderPathTest/is_top_level: OK
/engine/Geary.FolderPathTest/path_to_string: OK
/engine/Geary.FolderPathTest/path_parent: OK
/engine/Geary.FolderPathTest/path_equal: OK
/engine/Geary.FolderPathTest/path_hash: OK
/engine/Geary.FolderPathTest/path_compare:
--- stderr ---
Greater than child comparison: Expected: -1, was: -64
**
geary:ERROR:../test/test-case.vala:81:assert_int: code should not be reached