Enable the dracut test config not just the test dracut module.
mkdir -p "$BOOT_ROOT/$machine_id/$KVERSION" /run/kernel/
echo 'initrd_generator=dracut' >> /run/kernel/install.conf
- mkdir -p /usr/lib/dracut/dracut.conf.d
- echo 'add_dracutmodules+=" test "' >> /usr/lib/dracut/dracut.conf.d/extra.conf
+ # enable test dracut config
+ cp /usr/lib/dracut/test/dracut.conf.d/test/test.conf /usr/lib/dracut/dracut.conf.d/
kernel-install add-all
mv "$BOOT_ROOT/$machine_id/$KVERSION"/initrd "$TESTDIR"/initramfs.testing