mutter/src/tests/monitor-configs/full-hd-fractional-scale-1.5.xml

<monitors version="2">
  <configuration>
    <logicalmonitor>
      <x>0</x>
      <y>0</y>
      <primary>yes</primary>
      <scale>1.5</scale>
      <monitor>
       <monitorspec>
         <connector>Meta-0</connector>
         <vendor>MetaTestVendor</vendor>
         <product>MetaVirtualMonitor</product>
         <serial>0x10000</serial>
       </monitorspec>
       <mode>
         <width>1920</width>
         <height>1080</height>
         <rate>60</rate>
       </mode>
      </monitor>
    </logicalmonitor>
  </configuration>
</monitors>