diff --git a/test/TEST-17-UDEV-WANTS/Makefile b/test/TEST-17-UDEV-WANTS/Makefile
deleted file mode 100644
index 34d7cc6cdf..0000000000
--- a/test/TEST-17-UDEV-WANTS/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-BUILD_DIR=$(shell ../../tools/find-build-dir.sh)
-
-all setup clean run:
-	@basedir=../.. TEST_BASE_DIR=../ BUILD_DIR=$(BUILD_DIR) ./test.sh --$@
diff --git a/test/TEST-17-UDEV-WANTS/Makefile b/test/TEST-17-UDEV-WANTS/Makefile
new file mode 120000
index 0000000000..e9f93b1104
--- /dev/null
+++ b/test/TEST-17-UDEV-WANTS/Makefile
@@ -0,0 +1 @@
+../TEST-01-BASIC/Makefile
\ No newline at end of file
diff --git a/test/TEST-18-FAILUREACTION/Makefile b/test/TEST-18-FAILUREACTION/Makefile
deleted file mode 100644
index 34d7cc6cdf..0000000000
--- a/test/TEST-18-FAILUREACTION/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-BUILD_DIR=$(shell ../../tools/find-build-dir.sh)
-
-all setup clean run:
-	@basedir=../.. TEST_BASE_DIR=../ BUILD_DIR=$(BUILD_DIR) ./test.sh --$@
diff --git a/test/TEST-18-FAILUREACTION/Makefile b/test/TEST-18-FAILUREACTION/Makefile
new file mode 120000
index 0000000000..e9f93b1104
--- /dev/null
+++ b/test/TEST-18-FAILUREACTION/Makefile
@@ -0,0 +1 @@
+../TEST-01-BASIC/Makefile
\ No newline at end of file
diff --git a/test/TEST-19-DELEGATE/Makefile b/test/TEST-19-DELEGATE/Makefile
deleted file mode 100644
index 34d7cc6cdf..0000000000
--- a/test/TEST-19-DELEGATE/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-BUILD_DIR=$(shell ../../tools/find-build-dir.sh)
-
-all setup clean run:
-	@basedir=../.. TEST_BASE_DIR=../ BUILD_DIR=$(BUILD_DIR) ./test.sh --$@
diff --git a/test/TEST-19-DELEGATE/Makefile b/test/TEST-19-DELEGATE/Makefile
new file mode 120000
index 0000000000..e9f93b1104
--- /dev/null
+++ b/test/TEST-19-DELEGATE/Makefile
@@ -0,0 +1 @@
+../TEST-01-BASIC/Makefile
\ No newline at end of file
diff --git a/test/TEST-20-MAINPIDGAMES/Makefile b/test/TEST-20-MAINPIDGAMES/Makefile
deleted file mode 100644
index 34d7cc6cdf..0000000000
--- a/test/TEST-20-MAINPIDGAMES/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-BUILD_DIR=$(shell ../../tools/find-build-dir.sh)
-
-all setup clean run:
-	@basedir=../.. TEST_BASE_DIR=../ BUILD_DIR=$(BUILD_DIR) ./test.sh --$@
diff --git a/test/TEST-20-MAINPIDGAMES/Makefile b/test/TEST-20-MAINPIDGAMES/Makefile
new file mode 120000
index 0000000000..e9f93b1104
--- /dev/null
+++ b/test/TEST-20-MAINPIDGAMES/Makefile
@@ -0,0 +1 @@
+../TEST-01-BASIC/Makefile
\ No newline at end of file
diff --git a/test/TEST-21-SYSUSERS/Makefile b/test/TEST-21-SYSUSERS/Makefile
deleted file mode 100644
index 34d7cc6cdf..0000000000
--- a/test/TEST-21-SYSUSERS/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-BUILD_DIR=$(shell ../../tools/find-build-dir.sh)
-
-all setup clean run:
-	@basedir=../.. TEST_BASE_DIR=../ BUILD_DIR=$(BUILD_DIR) ./test.sh --$@
diff --git a/test/TEST-21-SYSUSERS/Makefile b/test/TEST-21-SYSUSERS/Makefile
new file mode 120000
index 0000000000..e9f93b1104
--- /dev/null
+++ b/test/TEST-21-SYSUSERS/Makefile
@@ -0,0 +1 @@
+../TEST-01-BASIC/Makefile
\ No newline at end of file
diff --git a/test/TEST-21-SYSUSERS/test.sh b/test/TEST-21-SYSUSERS/test.sh
index 73cbe10b69..b1049e720d 100755
--- a/test/TEST-21-SYSUSERS/test.sh
+++ b/test/TEST-21-SYSUSERS/test.sh
@@ -15,6 +15,7 @@ prepare_testdir() {
         for i in $1.initial-{passwd,group,shadow}; do
                 test -f $i && cp $i $TESTDIR/etc/${i#*.initial-}
         done
+        return 0
 }
 
 preprocess() {
diff --git a/test/TEST-22-TMPFILES/Makefile b/test/TEST-22-TMPFILES/Makefile
deleted file mode 100644
index 34d7cc6cdf..0000000000
--- a/test/TEST-22-TMPFILES/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-BUILD_DIR=$(shell ../../tools/find-build-dir.sh)
-
-all setup clean run:
-	@basedir=../.. TEST_BASE_DIR=../ BUILD_DIR=$(BUILD_DIR) ./test.sh --$@
diff --git a/test/TEST-22-TMPFILES/Makefile b/test/TEST-22-TMPFILES/Makefile
new file mode 120000
index 0000000000..e9f93b1104
--- /dev/null
+++ b/test/TEST-22-TMPFILES/Makefile
@@ -0,0 +1 @@
+../TEST-01-BASIC/Makefile
\ No newline at end of file
diff --git a/test/TEST-23-TYPE-EXEC/Makefile b/test/TEST-23-TYPE-EXEC/Makefile
deleted file mode 100644
index 34d7cc6cdf..0000000000
--- a/test/TEST-23-TYPE-EXEC/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-BUILD_DIR=$(shell ../../tools/find-build-dir.sh)
-
-all setup clean run:
-	@basedir=../.. TEST_BASE_DIR=../ BUILD_DIR=$(BUILD_DIR) ./test.sh --$@
diff --git a/test/TEST-23-TYPE-EXEC/Makefile b/test/TEST-23-TYPE-EXEC/Makefile
new file mode 120000
index 0000000000..e9f93b1104
--- /dev/null
+++ b/test/TEST-23-TYPE-EXEC/Makefile
@@ -0,0 +1 @@
+../TEST-01-BASIC/Makefile
\ No newline at end of file
diff --git a/test/TEST-24-UNIT-TESTS/Makefile b/test/TEST-24-UNIT-TESTS/Makefile
new file mode 120000
index 0000000000..e9f93b1104
--- /dev/null
+++ b/test/TEST-24-UNIT-TESTS/Makefile
@@ -0,0 +1 @@
+../TEST-01-BASIC/Makefile
\ No newline at end of file
diff --git a/test/TEST-24-UNIT-TESTS/test.sh b/test/TEST-24-UNIT-TESTS/test.sh
new file mode 100755
index 0000000000..014ee52277
--- /dev/null
+++ b/test/TEST-24-UNIT-TESTS/test.sh
@@ -0,0 +1,106 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+set -e
+TEST_DESCRIPTION="Run unit tests under containers"
+RUN_IN_UNPRIVILEGED_CONTAINER=yes
+
+. $TEST_BASE_DIR/test-functions
+
+check_result_nspawn() {
+    local _ret=1
+    [[ -e $TESTDIR/$1/testok ]] && _ret=0
+    if [[ -s $TESTDIR/$1/failed ]]; then
+        _ret=$(($_ret+1))
+        echo "=== Failed test log ==="
+        cat $TESTDIR/$1/failed
+    else
+        if [[ -s $TESTDIR/$1/skipped ]]; then
+            echo "=== Skipped test log =="
+            cat $TESTDIR/$1/skipped
+        fi
+        if [[ -s $TESTDIR/$1/testok ]]; then
+            echo "=== Passed tests ==="
+            cat $TESTDIR/$1/testok
+        fi
+    fi
+    cp -a $TESTDIR/$1/var/log/journal $TESTDIR
+    [[ -n "$TIMED_OUT" ]] && _ret=$(($_ret+1))
+    return $_ret
+}
+
+check_result_qemu() {
+    local _ret=1
+    mkdir -p $TESTDIR/root
+    mount ${LOOPDEV}p1 $TESTDIR/root
+    [[ -e $TESTDIR/root/testok ]] && _ret=0
+    if [[ -s $TESTDIR/root/failed ]]; then
+        _ret=$(($_ret+1))
+        echo "=== Failed test log ==="
+        cat $TESTDIR/root/failed
+    else
+        if [[ -s $TESTDIR/root/skipped ]]; then
+            echo "=== Skipped test log =="
+            cat $TESTDIR/root/skipped
+        fi
+        if [[ -s $TESTDIR/root/testok ]]; then
+            echo "=== Passed tests ==="
+            cat $TESTDIR/root/testok
+        fi
+    fi
+    cp -a $TESTDIR/root/var/log/journal $TESTDIR
+    umount $TESTDIR/root
+    [[ -n "$TIMED_OUT" ]] && _ret=$(($_ret+1))
+    return $_ret
+}
+
+test_setup() {
+    if type -P meson && [[ "$(meson configure $BUILD_DIR | grep install-tests | awk '{ print $2 }')" != "true" ]]; then
+        dfatal "Needs to be built with -Dinstall-tests=true"
+        exit 1
+    fi
+
+    create_empty_image
+    mkdir -p $TESTDIR/root
+    mount ${LOOPDEV}p1 $TESTDIR/root
+
+    # Create what will eventually be our root filesystem onto an overlay
+    (
+        LOG_LEVEL=5
+        eval $(udevadm info --export --query=env --name=${LOOPDEV}p2)
+
+        for i in getfacl dirname basename capsh cut rev stat mktemp rmdir ionice unshare uname tr awk getent diff xzcat lz4cat; do
+            inst_binary $i
+        done
+
+        inst /etc/hosts
+
+        setup_basic_environment
+        install_keymaps yes
+        install_zoneinfo
+
+        # setup the testsuite service
+        cat >$initdir/etc/systemd/system/testsuite.service <<EOF
+[Unit]
+Description=Testsuite service
+
+[Service]
+ExecStart=/testsuite.sh
+Type=oneshot
+EOF
+        cp testsuite.sh $initdir/
+
+        setup_testsuite
+    ) || return 1
+    setup_nspawn_root
+
+    # mask some services that we do not want to run in these tests
+    ln -s /dev/null $initdir/etc/systemd/system/systemd-networkd.service
+    ln -s /dev/null $initdir/etc/systemd/system/systemd-networkd.socket
+    ln -s /dev/null $initdir/etc/systemd/system/systemd-resolved.service
+
+    ddebug "umount $TESTDIR/root"
+    umount $TESTDIR/root
+}
+
+do_test "$@"
diff --git a/test/TEST-24-UNIT-TESTS/testsuite.sh b/test/TEST-24-UNIT-TESTS/testsuite.sh
new file mode 100755
index 0000000000..7c0e495dbd
--- /dev/null
+++ b/test/TEST-24-UNIT-TESTS/testsuite.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+#set -ex
+#set -o pipefail
+
+for i in /usr/lib/systemd/tests/test-*; do
+    if [[ ! -x $i ]]; then continue; fi
+    NAME=${i##*/}
+    echo "Running $NAME"
+    $i > /$NAME.log 2>&1
+    ret=$?
+    if (( $ret && $ret != 77 )); then
+        echo "$NAME failed with $ret"
+        echo $NAME >> /failed-tests
+        echo "--- $NAME begin ---" >> /failed
+        cat /$NAME.log >> /failed
+        echo "--- $NAME end ---" >> /failed
+    elif (( $ret == 77 )); then
+        echo "$NAME skipped"
+        echo $NAME >> /skipped-tests
+        echo "--- $NAME begin ---" >> /skipped
+        cat /$NAME.log >> /skipped
+        echo "--- $NAME end ---" >> /skipped
+    else
+        echo "$NAME OK"
+        echo $NAME >> /testok
+    fi
+
+    systemd-cat echo "--- $NAME ---"
+    systemd-cat cat /$NAME.log
+done
+
+exit 0
diff --git a/test/test-functions b/test/test-functions
index f1646b3bcf..9919728454 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -421,7 +421,7 @@ get_ldpath() {
 
 install_missing_libraries() {
     # install possible missing libraries
-    for i in $initdir{,/usr}/{sbin,bin}/* $initdir{,/usr}/lib/systemd/*; do
+    for i in $initdir{,/usr}/{sbin,bin}/* $initdir{,/usr}/lib/systemd/{,tests/{,manual/,unsafe/}}*; do
         LD_LIBRARY_PATH=$(get_ldpath $i) inst_libs $i
     done
 }
@@ -454,7 +454,7 @@ EOF
 }
 
 check_result_nspawn() {
-    ret=1
+    local ret=1
     [[ -e $TESTDIR/$1/testok ]] && ret=0
     [[ -f $TESTDIR/$1/failed ]] && cp -a $TESTDIR/$1/failed $TESTDIR
     cp -a $TESTDIR/$1/var/log/journal $TESTDIR
@@ -467,7 +467,7 @@ check_result_nspawn() {
 
 # can be overridden in specific test
 check_result_qemu() {
-    ret=1
+    local ret=1
     mkdir -p $TESTDIR/root
     mount ${LOOPDEV}p1 $TESTDIR/root
     [[ -e $TESTDIR/root/testok ]] && ret=0
@@ -623,13 +623,34 @@ install_pam() {
 }
 
 install_keymaps() {
+    # The first three paths may be deprecated.
+    # It seems now the last two paths are used by many distributions.
     for i in \
         /usr/lib/kbd/keymaps/include/* \
         /usr/lib/kbd/keymaps/i386/include/* \
-        /usr/lib/kbd/keymaps/i386/qwerty/us.*; do
+        /usr/lib/kbd/keymaps/i386/qwerty/us.* \
+        /usr/lib/kbd/keymaps/legacy/include/* \
+        /usr/lib/kbd/keymaps/legacy/i386/qwerty/us.*; do
             [[ -f $i ]] || continue
             inst $i
     done
+
+    # When it takes any argument, then install more keymaps.
+    if [[ -n $1 ]]; then
+        for i in \
+        /usr/lib/kbd/keymaps/i386/*/* \
+        /usr/lib/kbd/keymaps/legacy/i386/*/*; do
+            [[ -f $i ]] || continue
+            inst $i
+        done
+    fi
+}
+
+install_zoneinfo() {
+    for i in /usr/share/zoneinfo/{,*/,*/*/}*; do
+        [[ -f $i ]] || continue
+        inst $i
+    done
 }
 
 install_fonts() {
@@ -1526,7 +1547,9 @@ do_test() {
         case $1 in
             --run)
                 echo "TEST RUN: $TEST_DESCRIPTION"
-                if test_run; then
+                test_run
+                ret=$?
+                if (( $ret == 0 )); then
                     echo "TEST RUN: $TEST_DESCRIPTION [OK]"
                 else
                     echo "TEST RUN: $TEST_DESCRIPTION [FAILED]"