BackgroundPsql swallowing errors on windows

Applying: Convert TAP tests to PostgreSQL::Test::Session
Using index info to reconstruct a base tree...
M	src/test/authentication/t/001_password.pl
M	src/test/modules/oauth_validator/t/001_server.pl
M	src/test/modules/test_checksums/t/002_restarts.pl
M	src/test/modules/test_misc/t/013_temp_obj_multisession.pl
M	src/test/modules/xid_wraparound/t/002_limits.pl
M	src/test/recovery/t/042_low_level_backup.pl
M	src/test/recovery/t/049_wait_for_lsn.pl
M	src/test/recovery/t/050_redo_segment_missing.pl
M	src/test/recovery/t/051_effective_wal_level.pl
M	src/test/subscription/t/035_conflicts.pl
M	src/test/subscription/t/038_walsnd_shutdown_timeout.pl
Falling back to patching base and 3-way merge...
Auto-merging src/test/subscription/t/038_walsnd_shutdown_timeout.pl
CONFLICT (content): Merge conflict in src/test/subscription/t/038_walsnd_shutdown_timeout.pl
Auto-merging src/test/subscription/t/035_conflicts.pl
Auto-merging src/test/recovery/t/051_effective_wal_level.pl
CONFLICT (content): Merge conflict in src/test/recovery/t/051_effective_wal_level.pl
Auto-merging src/test/recovery/t/050_redo_segment_missing.pl
Auto-merging src/test/recovery/t/049_wait_for_lsn.pl
Auto-merging src/test/recovery/t/042_low_level_backup.pl
Auto-merging src/test/modules/xid_wraparound/t/002_limits.pl
Auto-merging src/test/modules/test_misc/t/013_temp_obj_multisession.pl
Auto-merging src/test/modules/test_checksums/t/002_restarts.pl
Auto-merging src/test/modules/oauth_validator/t/001_server.pl
Auto-merging src/test/authentication/t/001_password.pl
Patch failed at 0001 Convert TAP tests to PostgreSQL::Test::Session

error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"