test_begin_subtest "Insert message, create subfolder"
gen_insert_msg
notmuch insert --folder=F/G/H/I/J --create-folder +folder < "$gen_msg_filename"
output=$(notmuch search --output=files folder:F/G/H/I/J tag:folder)
basename=$(basename "$output")
test_begin_subtest "Insert message, create subfolder"
gen_insert_msg
notmuch insert --folder=F/G/H/I/J --create-folder +folder < "$gen_msg_filename"
output=$(notmuch search --output=files folder:F/G/H/I/J tag:folder)
basename=$(basename "$output")