message: Update minidump test space size
diff: @@ -397,7 +397,7 @@ explain select * from R1 inner join S1 on a = b union all select * from R2 inner
  </dxl:LogicalJoin>
  </dxl:UnionAll>
  </dxl:Query>
  - <dxl:Plan Id="0" SpaceSize="42">
  + <dxl:Plan Id="0" SpaceSize="48">
  <dxl:GatherMotion InputSegments="0,1,2" OutputSegments="-1">
  <dxl:Properties>
  <dxl:Cost StartupCost="0" TotalCost="1299.000842" Rows="1.000000" Width="16"/>
  