diff --git a/import-layers/yocto-poky/meta-selftest/files/signing/key.passphrase b/import-layers/yocto-poky/meta-selftest/files/signing/key.passphrase
new file mode 100644
index 0000000..5271a52
--- /dev/null
+++ b/import-layers/yocto-poky/meta-selftest/files/signing/key.passphrase
@@ -0,0 +1 @@
+test123
diff --git a/import-layers/yocto-poky/meta-selftest/files/static-group b/import-layers/yocto-poky/meta-selftest/files/static-group
new file mode 100644
index 0000000..9213b8e
--- /dev/null
+++ b/import-layers/yocto-poky/meta-selftest/files/static-group
@@ -0,0 +1,14 @@
+messagebus:x:500:
+systemd-bus-proxy:x:501:
+systemd-network:x:502:
+systemd-resolve:x:503:
+systemd-timesync:x:504:
+polkitd:x:505:
+lock:x:506:
+systemd-journal:x:507:
+netdev:x:508:
+avahi:x:509:
+avahi-autoipd:x:510:
+rpc:x:511:
+rpcuser:x:513:
+
diff --git a/import-layers/yocto-poky/meta-selftest/files/static-passwd b/import-layers/yocto-poky/meta-selftest/files/static-passwd
new file mode 100644
index 0000000..412f85d
--- /dev/null
+++ b/import-layers/yocto-poky/meta-selftest/files/static-passwd
@@ -0,0 +1,11 @@
+messagebus:x:500:500::/var/lib/dbus:/bin/false
+systemd-bus-proxy:x:501:501::/:/bin/nologin
+systemd-network:x:502:502::/:/bin/nologin
+systemd-resolve:x:503:503::/:/bin/nologin
+systemd-timesync:x:504:504::/:/bin/nologin
+polkitd:x:505:505::/:/bin/nologin
+avahi:x:509:509::/:/bin/nologin
+avahi-autoipd:x:510:510::/:/bin/nologin
+rpc:x:511:511::/:/bin/nologin
+distcc:x:512:nogroup::/:/bin/nologin
+rpcuser:x:513:513::/var/lib/nfs:/bin/nologin