diff --git a/test/tests/parallel/set1/clamav.bats b/test/tests/parallel/set1/clamav.bats
index 760e3dfb..42450926 100644
--- a/test/tests/parallel/set1/clamav.bats
+++ b/test/tests/parallel/set1/clamav.bats
@@ -3,29 +3,22 @@ load "${REPOSITORY_ROOT}/test/helper/common"
 
 TEST_NAME_PREFIX='ClamAV:'
 CONTAINER_NAME='dms-test-clamav'
-RUN_COMMAND=('run' 'docker' 'exec' "${CONTAINER_NAME}")
 
 function setup_file() {
-  local PRIVATE_CONFIG
-  PRIVATE_CONFIG=$(duplicate_config_for_container . "${CONTAINER_NAME}")
+  init_with_defaults
 
-  docker run --rm --detach --tty \
-    --name "${CONTAINER_NAME}" \
-    --hostname mail.my-domain.com \
-    --volume "${PRIVATE_CONFIG}:/tmp/docker-mailserver" \
-    --volume "${PWD}/test/test-files:/tmp/docker-mailserver-test:ro" \
-    --env ENABLE_AMAVIS=1 \
-    --env AMAVIS_LOGLEVEL=2 \
-    --env ENABLE_CLAMAV=1 \
-    --env ENABLE_UPDATE_CHECK=0 \
-    --env ENABLE_SPAMASSASSIN=0 \
-    --env ENABLE_FAIL2BAN=0 \
-    --env PERMIT_DOCKER=host \
-    --env CLAMAV_MESSAGE_SIZE_LIMIT=30M \
-    --env LOG_LEVEL=debug \
-    "${IMAGE_NAME}"
+  # Comment for maintainers about `PERMIT_DOCKER=host`:
+  # https://github.com/docker-mailserver/docker-mailserver/pull/2815/files#r991087509
+  local CUSTOM_SETUP_ARGUMENTS=(
+    --env ENABLE_CLAMAV=1
+    --env ENABLE_AMAVIS=1
+    --env PERMIT_DOCKER=host
+    --env AMAVIS_LOGLEVEL=2
+    --env CLAMAV_MESSAGE_SIZE_LIMIT=30M
+    --env LOG_LEVEL=trace
+  )
 
-  wait_for_finished_setup_in_container "${CONTAINER_NAME}"
+  common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
 
   # wait for ClamAV to be fully setup or we will get errors on the log
   repeat_in_container_until_success_or_timeout 60 "${CONTAINER_NAME}" test -e /var/run/clamav/clamd.ctl
@@ -33,48 +26,46 @@ function setup_file() {
   wait_for_service "${CONTAINER_NAME}" postfix
   wait_for_smtp_port_in_container "${CONTAINER_NAME}"
 
-  "${RUN_COMMAND[@]}" bash -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/amavis-virus.txt"
+  _run_in_container bash -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/amavis-virus.txt"
   assert_success
 
   wait_for_empty_mail_queue_in_container "${CONTAINER_NAME}"
 }
 
-function teardown_file() {
-  docker rm -f "${CONTAINER_NAME}"
-}
+function teardown_file() { _default_teardown ; }
 
 @test "${TEST_NAME_PREFIX} process clamd is running" {
-  "${RUN_COMMAND[@]}" bash -c "ps aux --forest | grep -v grep | grep '/usr/sbin/clamd'"
+  _run_in_container bash -c "ps aux --forest | grep -v grep | grep '/usr/sbin/clamd'"
   assert_success
 }
 
 @test "${TEST_NAME_PREFIX} log files exist at /var/log/mail directory" {
-  "${RUN_COMMAND[@]}" bash -c "ls -1 /var/log/mail/ | grep -E 'clamav|freshclam|mail.log'| wc -l"
+  _run_in_container bash -c "ls -1 /var/log/mail/ | grep -E 'clamav|freshclam|mail.log' | wc -l"
   assert_success
   assert_output 3
 }
 
 @test "${TEST_NAME_PREFIX} should be identified by Amavis" {
-  "${RUN_COMMAND[@]}" grep -i 'Found secondary av scanner ClamAV-clamscan' /var/log/mail/mail.log
+  _run_in_container grep -i 'Found secondary av scanner ClamAV-clamscan' /var/log/mail/mail.log
   assert_success
 }
 
 @test "${TEST_NAME_PREFIX} freshclam cron is enabled" {
-  "${RUN_COMMAND[@]}" bash -c "grep '/usr/bin/freshclam' -r /etc/cron.d"
+  _run_in_container bash -c "grep '/usr/bin/freshclam' -r /etc/cron.d"
   assert_success
 }
 
 @test "${TEST_NAME_PREFIX} env CLAMAV_MESSAGE_SIZE_LIMIT is set correctly" {
-  "${RUN_COMMAND[@]}" grep -q '^MaxFileSize 30M$' /etc/clamav/clamd.conf
+  _run_in_container grep -q '^MaxFileSize 30M$' /etc/clamav/clamd.conf
   assert_success
 }
 
 @test "${TEST_NAME_PREFIX} rejects virus" {
-  "${RUN_COMMAND[@]}" bash -c "grep 'Blocked INFECTED' /var/log/mail/mail.log | grep '<virus@external.tld> -> <user1@localhost.localdomain>'"
+  _run_in_container bash -c "grep 'Blocked INFECTED' /var/log/mail/mail.log | grep '<virus@external.tld> -> <user1@localhost.localdomain>'"
   assert_success
 }
 
 @test "${TEST_NAME_PREFIX} process clamd restarts when killed" {
-  "${RUN_COMMAND[@]}" bash -c "pkill clamd && sleep 10 && ps aux --forest | grep -v grep | grep '/usr/sbin/clamd'"
+  _run_in_container bash -c "pkill clamd && sleep 10 && ps aux --forest | grep -v grep | grep '/usr/sbin/clamd'"
   assert_success
 }
diff --git a/test/tests/parallel/set1/default_relay_host.bats b/test/tests/parallel/set1/default_relay_host.bats
index 399f7423..ead7925e 100644
--- a/test/tests/parallel/set1/default_relay_host.bats
+++ b/test/tests/parallel/set1/default_relay_host.bats
@@ -1,29 +1,23 @@
 load "${REPOSITORY_ROOT}/test/helper/setup"
 load "${REPOSITORY_ROOT}/test/helper/common"
 
-function setup() {
-  local PRIVATE_CONFIG
-  PRIVATE_CONFIG=$(duplicate_config_for_container relay-hosts)
+export TEST_NAME_PREFIX='default relay host:'
+export CONTAINER_NAME='dms-test-default_relay_host'
 
-  docker run -d --name mail_with_default_relay \
-    -v "${PRIVATE_CONFIG}":/tmp/docker-mailserver \
-    -v "$(pwd)/test/test-files":/tmp/docker-mailserver-test:ro \
-    -e DEFAULT_RELAY_HOST=default.relay.host.invalid:25 \
-    -e PERMIT_DOCKER=host \
-    -h mail.my-domain.com -t "${NAME}"
+function setup_file() {
+  init_with_defaults
 
-    wait_for_finished_setup_in_container mail_with_default_relay
+  local CUSTOM_SETUP_ARGUMENTS=(
+    --env DEFAULT_RELAY_HOST=default.relay.host.invalid:25 \
+    --env PERMIT_DOCKER=host \
+  )
+
+  common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
 }
 
-function teardown() {
-  docker rm -f mail_with_default_relay
-}
+function teardown_file() { _default_teardown ; }
 
-#
-# default relay host
-#
-
-@test "checking default relay host: default relay host is added to main.cf" {
-  run docker exec mail_with_default_relay /bin/sh -c 'grep -e "^relayhost =" /etc/postfix/main.cf'
+@test "${TEST_NAME_PREFIX} default relay host is added to main.cf" {
+  _run_in_container bash -c 'grep -e "^relayhost =" /etc/postfix/main.cf'
   assert_output 'relayhost = default.relay.host.invalid:25'
 }
diff --git a/test/tests/parallel/set2/spam_bounced.bats b/test/tests/parallel/set2/spam_bounced.bats
index 5e5421ec..321d2981 100644
--- a/test/tests/parallel/set2/spam_bounced.bats
+++ b/test/tests/parallel/set2/spam_bounced.bats
@@ -1,48 +1,36 @@
 load "${REPOSITORY_ROOT}/test/helper/setup"
 load "${REPOSITORY_ROOT}/test/helper/common"
 
-# Can run tests in parallel?: No
-# Shared static container name: TEST_NAME
+TEST_NAME_PREFIX='spam (Amavis):'
+CONTAINER_NAME='dms-test-spam_bounced'
+
+function setup_file() {
+  init_with_defaults
+
+  local CUSTOM_SETUP_ARGUMENTS=(
+    --env ENABLE_AMAVIS=1
+    --env ENABLE_SPAMASSASSIN=1
+    --env PERMIT_DOCKER=container
+    --env SPAMASSASSIN_SPAM_TO_INBOX=0
+  )
+
+  common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
+  wait_for_smtp_port_in_container_to_respond "${CONTAINER_NAME}"
+}
+
+function teardown_file() { _default_teardown ; }
 
 # Test case
 # ---------
 # When SPAMASSASSIN_SPAM_TO_INBOX=0, spam messages must be bounced (rejected).
 # SPAMASSASSIN_SPAM_TO_INBOX=1 is covered in `mail_spam_junk_folder.bats`.
 # Original test PR: https://github.com/docker-mailserver/docker-mailserver/pull/1485
-
-function teardown() {
-  docker rm -f "${TEST_NAME}"
-}
-
-function setup_file() {
-  init_with_defaults
-}
-
-# Not used
-# function teardown_file() {
-# }
-
-@test "checking amavis: spam message is bounced (rejected)" {
-  # shellcheck disable=SC2034
-  local TEST_DOCKER_ARGS=(
-    --env ENABLE_SPAMASSASSIN=1
-    --env PERMIT_DOCKER=container
-    --env SPAMASSASSIN_SPAM_TO_INBOX=0
-  )
-
-  common_container_setup 'TEST_DOCKER_ARGS'
-
-  _should_bounce_spam
-}
-
-function _should_bounce_spam() {
-  wait_for_smtp_port_in_container_to_respond "${TEST_NAME}"
-
+@test "${TEST_NAME_PREFIX} spam message is bounced (rejected)" {
   # send a spam message
-  run docker exec "${TEST_NAME}" /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/amavis-spam.txt"
+  _run_in_container /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/amavis-spam.txt"
   assert_success
 
   # message will be added to a queue with varying delay until amavis receives it
-  run repeat_until_success_or_timeout 60 sh -c "docker logs ${TEST_NAME} | grep 'Blocked SPAM {NoBounceInbound,Quarantined}'"
+  run repeat_until_success_or_timeout 60 sh -c "docker logs ${CONTAINER_NAME} | grep 'Blocked SPAM {NoBounceInbound,Quarantined}'"
   assert_success
 }
diff --git a/test/tests/parallel/set2/template.bats b/test/tests/parallel/set2/template.bats
new file mode 100644
index 00000000..eb19cb58
--- /dev/null
+++ b/test/tests/parallel/set2/template.bats
@@ -0,0 +1,39 @@
+# ? load the BATS helper
+load "${REPOSITORY_ROOT}/test/helper/setup"
+load "${REPOSITORY_ROOT}/test/helper/common"
+
+# ? global variable initialization
+# ?   to identify the test easily
+TEST_NAME_PREFIX='template:'
+# ?   must be unique
+CONTAINER_NAME='dms-test-template'
+
+# ? test setup
+
+function setup_file() {
+  # ? optional setup before container is started
+
+  # ? initialize the test helpers
+  init_with_defaults
+
+  # ? add custom arguments supplied to `docker run` here
+  local CUSTOM_SETUP_ARGUMENTS=(
+    --env LOG_LEVEL=trace
+  )
+
+  # ? use a helper to correctly setup the container
+  common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
+
+  # ? optional setup after the container is started
+}
+
+# ? test finalization
+
+function teardown_file() { _default_teardown ; }
+
+# ? actual unit tests
+
+@test "${TEST_NAME_PREFIX} default check" {
+  _run_in_container bash -c "true"
+  assert_success
+}
diff --git a/test/tests/parallel/set3/dovecot_inet_protocol.bats b/test/tests/parallel/set3/dovecot_inet_protocol.bats
index 513a73d3..b6fdf3cb 100644
--- a/test/tests/parallel/set3/dovecot_inet_protocol.bats
+++ b/test/tests/parallel/set3/dovecot_inet_protocol.bats
@@ -1,55 +1,46 @@
 load "${REPOSITORY_ROOT}/test/helper/setup"
 load "${REPOSITORY_ROOT}/test/helper/common"
 
-function setup_file() {
-  local PRIVATE_CONFIG
-  export ALL IPV4 IPV6
+TEST_NAME_PREFIX='Dovecot protocols:'
 
-  PRIVATE_CONFIG=$(duplicate_config_for_container . "${IPV4}")
-  ALL="mail_dovecot_all_protocols"
-  IPV4="mail_dovecot_ipv4"
-  IPV6="mail_dovecot_ipv6"
+@test "${TEST_NAME_PREFIX} dual-stack IP configuration" {
+  local CONTAINER_NAME='dms-test-dovecot_protocols_all'
+  local CUSTOM_SETUP_ARGUMENTS=(--env DOVECOT_INET_PROTOCOLS=)
 
-  docker run --rm -d --name "${ALL}" \
-    -v "${PRIVATE_CONFIG}":/tmp/docker-mailserver \
-    -e DOVECOT_INET_PROTOCOLS= \
-    -h mail.my-domain.com \
-    -t "${NAME}"
+  init_with_defaults
+  common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
 
-  docker run --rm -d --name "${IPV4}" \
-    -v "${PRIVATE_CONFIG}":/tmp/docker-mailserver \
-    -e DOVECOT_INET_PROTOCOLS=ipv4 \
-    -h mail.my-domain.com \
-    -t "${NAME}"
-
-  docker run --rm -d --name "${IPV6}" \
-    -v "${PRIVATE_CONFIG}":/tmp/docker-mailserver \
-    -e DOVECOT_INET_PROTOCOLS=ipv6 \
-    -h mail.my-domain.com \
-    -t "${NAME}"
-}
-
-@test 'checking dovecot IP configuration' {
-  wait_for_finished_setup_in_container "${ALL}"
-  run docker exec "${ALL}" grep '^#listen = \*, ::' /etc/dovecot/dovecot.conf
+  _run_in_container grep '^#listen = \*, ::' /etc/dovecot/dovecot.conf
   assert_success
   assert_output '#listen = *, ::'
+
+  docker rm -f "${CONTAINER_NAME}"
 }
 
-@test 'checking dovecot IPv4 configuration' {
-  wait_for_finished_setup_in_container "${IPV4}"
-  run docker exec "${IPV4}" grep '^listen = \*$' /etc/dovecot/dovecot.conf
+@test "${TEST_NAME_PREFIX} IPv4 configuration" {
+  local CONTAINER_NAME='dms-test-dovecot_protocols_ipv4'
+  local CUSTOM_SETUP_ARGUMENTS=(--env DOVECOT_INET_PROTOCOLS=ipv4)
+
+  init_with_defaults
+  common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
+
+  _run_in_container grep '^listen = \*$' /etc/dovecot/dovecot.conf
   assert_success
   assert_output 'listen = *'
+
+  docker rm -f "${CONTAINER_NAME}"
 }
 
-@test 'checking dovecot IPv6 configuration' {
-  wait_for_finished_setup_in_container "${IPV6}"
-  run docker exec "${IPV6}" grep '^listen = \[::\]$' /etc/dovecot/dovecot.conf
+@test "${TEST_NAME_PREFIX} IPv6 configuration" {
+  local CONTAINER_NAME='dms-test-dovecot_protocols_ipv6'
+  local CUSTOM_SETUP_ARGUMENTS=(--env DOVECOT_INET_PROTOCOLS=ipv6)
+
+  init_with_defaults
+  common_container_setup 'CUSTOM_SETUP_ARGUMENTS'
+
+  _run_in_container grep '^listen = \[::\]$' /etc/dovecot/dovecot.conf
   assert_success
   assert_output 'listen = [::]'
-}
 
-function teardown_file {
-  docker rm -f "${ALL}" "${IPV4}" "${IPV6}"
+  docker rm -f "${CONTAINER_NAME}"
 }
diff --git a/test/tests/parallel/set3/helper-functions.bats b/test/tests/parallel/set3/helper-functions.bats
index ca155155..24ee2f68 100644
--- a/test/tests/parallel/set3/helper-functions.bats
+++ b/test/tests/parallel/set3/helper-functions.bats
@@ -1,31 +1,23 @@
 load "${REPOSITORY_ROOT}/test/helper/setup"
 load "${REPOSITORY_ROOT}/test/helper/common"
 
+TEST_NAME_PREFIX='helper functions inside container:'
+CONTAINER_NAME='dms-test-helper_functions'
+
 function setup_file() {
-  local PRIVATE_CONFIG
-  PRIVATE_CONFIG=$(duplicate_config_for_container .)
-
-  docker run -d --name mail_helper_functions \
-    --cap-add=NET_ADMIN \
-    -v "${PRIVATE_CONFIG}":/tmp/docker-mailserver \
-    -v "$(pwd)/test/test-files":/tmp/docker-mailserver-test:ro \
-    -e ENABLE_FETCHMAIL=1 \
-    -h mail.my-domain.com -t "${NAME}"
-
-  wait_for_finished_setup_in_container mail_helper_functions
+  init_with_defaults
+  common_container_setup
 }
 
-function teardown_file() {
-    docker rm -f mail_helper_functions
-}
-
-@test "check helper functions (network.sh): _sanitize_ipv4_to_subnet_cidr" {
-    run docker exec mail_helper_functions bash -c "source /usr/local/bin/helpers/index.sh; _sanitize_ipv4_to_subnet_cidr 255.255.255.255/0"
-    assert_output "0.0.0.0/0"
-
-    run docker exec mail_helper_functions bash -c "source /usr/local/bin/helpers/index.sh; _sanitize_ipv4_to_subnet_cidr 192.168.255.14/20"
-    assert_output "192.168.240.0/20"
-
-    run docker exec mail_helper_functions bash -c "source /usr/local/bin/helpers/index.sh; _sanitize_ipv4_to_subnet_cidr 192.168.255.14/32"
-    assert_output "192.168.255.14/32"
+function teardown_file() { _default_teardown ; }
+
+@test "${TEST_NAME_PREFIX} _sanitize_ipv4_to_subnet_cidr" {
+  _run_in_container bash -c "source /usr/local/bin/helpers/index.sh; _sanitize_ipv4_to_subnet_cidr 255.255.255.255/0"
+  assert_output "0.0.0.0/0"
+
+  _run_in_container bash -c "source /usr/local/bin/helpers/index.sh; _sanitize_ipv4_to_subnet_cidr 192.168.255.14/20"
+  assert_output "192.168.240.0/20"
+
+  _run_in_container bash -c "source /usr/local/bin/helpers/index.sh; _sanitize_ipv4_to_subnet_cidr 192.168.255.14/32"
+  assert_output "192.168.255.14/32"
 }
diff --git a/test/tests/serial/test_helper.bats b/test/tests/serial/test_helper.bats
index a86c05fb..252f6102 100644
--- a/test/tests/serial/test_helper.bats
+++ b/test/tests/serial/test_helper.bats
@@ -1,12 +1,14 @@
 load "${REPOSITORY_ROOT}/test/test_helper/common"
 
-@test "repeat_until_success_or_timeout returns instantly on success" {
+TEST_NAME_PREFIX='test helper functions:'
+
+@test "${TEST_NAME_PREFIX} repeat_until_success_or_timeout returns instantly on success" {
   SECONDS=0
   repeat_until_success_or_timeout 1 true
   [[ ${SECONDS} -le 1 ]]
 }
 
-@test "repeat_until_success_or_timeout waits for timeout on persistent failure" {
+@test "${TEST_NAME_PREFIX} repeat_until_success_or_timeout waits for timeout on persistent failure" {
   SECONDS=0
   run repeat_until_success_or_timeout 2 false
   [[ ${SECONDS} -ge 2 ]]
@@ -14,7 +16,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
   assert_output --partial "Timed out on command"
 }
 
-@test "repeat_until_success_or_timeout aborts immediately on fatal failure" {
+@test "${TEST_NAME_PREFIX} repeat_until_success_or_timeout aborts immediately on fatal failure" {
   SECONDS=0
   run repeat_until_success_or_timeout --fatal-test false 2 false
   [[ ${SECONDS} -le 1 ]]
@@ -22,7 +24,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
   assert_output --partial "early aborting"
 }
 
-@test "repeat_until_success_or_timeout expects integer timeout" {
+@test "${TEST_NAME_PREFIX} repeat_until_success_or_timeout expects integer timeout" {
   run repeat_until_success_or_timeout 1 true
   assert_success
 
@@ -33,27 +35,27 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
   assert_failure
 }
 
-@test "run_until_success_or_timeout returns instantly on success" {
+@test "${TEST_NAME_PREFIX} run_until_success_or_timeout returns instantly on success" {
   SECONDS=0
   run_until_success_or_timeout 2 true
   [[ ${SECONDS} -le 1 ]]
   assert_success
 }
 
-@test "run_until_success_or_timeout waits for timeout on persistent failure" {
+@test "${TEST_NAME_PREFIX} run_until_success_or_timeout waits for timeout on persistent failure" {
   SECONDS=0
   ! run_until_success_or_timeout 2 false
   [[ ${SECONDS} -ge 2 ]]
   assert_failure
 }
 
-@test "repeat_in_container_until_success_or_timeout fails immediately for non-running container" {
+@test "${TEST_NAME_PREFIX} repeat_in_container_until_success_or_timeout fails immediately for non-running container" {
   SECONDS=0
   ! repeat_in_container_until_success_or_timeout 10 name-of-non-existing-container true
   [[ ${SECONDS} -le 1 ]]
 }
 
-@test "repeat_in_container_until_success_or_timeout run command in container" {
+@test "${TEST_NAME_PREFIX} repeat_in_container_until_success_or_timeout run command in container" {
   local CONTAINER_NAME
   CONTAINER_NAME=$(docker run --rm -d alpine sleep 100)
   SECONDS=0
@@ -63,7 +65,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
   assert_output "${CONTAINER_NAME}"
 }
 
-@test "container_is_running" {
+@test "${TEST_NAME_PREFIX} container_is_running" {
   local CONTAINER_NAME
   CONTAINER_NAME=$(docker run --rm -d alpine sleep 100)
   container_is_running "${CONTAINER_NAME}"
@@ -71,7 +73,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
   ! container_is_running "${CONTAINER_NAME}"
 }
 
-@test "wait_for_smtp_port_in_container aborts wait after timeout" {
+@test "${TEST_NAME_PREFIX} wait_for_smtp_port_in_container aborts wait after timeout" {
   local CONTAINER_NAME
   CONTAINER_NAME=$(docker run --rm -d alpine sleep 100)
   SECONDS=0
@@ -82,7 +84,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
 }
 
 # NOTE: Test requires external network access available
-@test "wait_for_smtp_port_in_container returns immediately when port found" {
+@test "${TEST_NAME_PREFIX} wait_for_smtp_port_in_container returns immediately when port found" {
   local CONTAINER_NAME
   CONTAINER_NAME=$(docker run --rm -d alpine sh -c "sleep 10")
 
@@ -95,7 +97,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
   assert_success
 }
 
-@test "wait_for_finished_setup_in_container" {
+@test "${TEST_NAME_PREFIX} wait_for_finished_setup_in_container" {
   # variable not local to make visible to teardown
   local PRIVATE_CONFIG
   PRIVATE_CONFIG=$(duplicate_config_for_container .)
@@ -117,7 +119,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
   [[ ${SECONDS} -gt 0 ]]
 }
 
-@test "duplicate_config_for_container" {
+@test "${TEST_NAME_PREFIX} duplicate_config_for_container" {
   local path
   path=$(duplicate_config_for_container duplicate_config_test)
 
@@ -128,7 +130,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
   assert_failure
 }
 
-@test "container_has_service_running/wait_for_service" {
+@test "${TEST_NAME_PREFIX} container_has_service_running/wait_for_service" {
   local PRIVATE_CONFIG
   PRIVATE_CONFIG=$(duplicate_config_for_container .)
 
@@ -156,7 +158,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
   assert_failure
 }
 
-@test "wait_for_changes_to_be_detected_in_container fails when timeout is reached" {
+@test "${TEST_NAME_PREFIX} wait_for_changes_to_be_detected_in_container fails when timeout is reached" {
   local PRIVATE_CONFIG
   PRIVATE_CONFIG=$(duplicate_config_for_container .)
 
@@ -182,7 +184,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
   ! TEST_TIMEOUT_IN_SECONDS=0 wait_for_changes_to_be_detected_in_container "${CONTAINER_NAME}"
 }
 
-@test "wait_for_changes_to_be_detected_in_container succeeds within timeout" {
+@test "${TEST_NAME_PREFIX} wait_for_changes_to_be_detected_in_container succeeds within timeout" {
   local PRIVATE_CONFIG
   PRIVATE_CONFIG=$(duplicate_config_for_container .)
 
@@ -208,7 +210,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
 }
 
 # TODO investigate why this test fails
-@test "wait_for_empty_mail_queue_in_container fails when timeout reached" {
+@test "${TEST_NAME_PREFIX} wait_for_empty_mail_queue_in_container fails when timeout reached" {
   skip 'disabled as it fails randomly: https://github.com/docker-mailserver/docker-mailserver/pull/2177'
 
   local PRIVATE_CONFIG
@@ -240,7 +242,7 @@ load "${REPOSITORY_ROOT}/test/test_helper/common"
 }
 
 # TODO investigate why this test fails
-@test "wait_for_empty_mail_queue_in_container succeeds within timeout" {
+@test "${TEST_NAME_PREFIX} wait_for_empty_mail_queue_in_container succeeds within timeout" {
   skip 'disabled as it fails randomly: https://github.com/docker-mailserver/docker-mailserver/pull/2177'
 
   local PRIVATE_CONFIG