ci: move tests than can be run in parallel now (#3038)

test/tests/parallel/set3/mta/privacy.bats

@@ -0,0 +1,38 @@
+load "${REPOSITORY_ROOT}/test/helper/setup"
+load "${REPOSITORY_ROOT}/test/helper/common"
+
+BATS_TEST_NAME_PREFIX='[Privacy] '
+CONTAINER_NAME='dms-test_privacy'
+
+function setup_file() {
+  _init_with_defaults
+
+  local CUSTOM_SETUP_ARGUMENTS=(
+    --env ENABLE_AMAVIS=1
+    --env ENABLE_MANAGESIEVE=1
+    --env PERMIT_DOCKER=host
+    --env SSL_TYPE='snakeoil'
+  )
+
+  _common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
+
+  # Port 10024 (Amavis)
+  _wait_for_tcp_port_in_container 10024
+  _wait_for_smtp_port_in_container
+}
+
+function teardown_file() { _default_teardown ; }
+
+# this test covers https://github.com/docker-mailserver/docker-mailserver/issues/681
+@test "(Postfix) remove privacy details of the sender" {
+  _run_in_container_bash "openssl s_client -quiet -starttls smtp -connect 0.0.0.0:587 < /tmp/docker-mailserver-test/email-templates/send-privacy-email.txt"
+  assert_success
+
+  _run_until_success_or_timeout 120 _exec_in_container_bash '[[ -d /var/mail/localhost.localdomain/user1/new ]]'
+  assert_success
+
+  _count_files_in_directory_in_container '/var/mail/localhost.localdomain/user1/new/' '1'
+
+  _run_in_container_bash 'grep -rE "^User-Agent:" /var/mail/localhost.localdomain/user1/new'
+  _should_output_number_of_lines 0
+}