Change launch_control.models.TestRun so that analyzer_assigned_uuid and _date default to None
Change launch_control.models.TestRun so that analyzer_assigned_uuid and _date default to None


Linaro/lava-server,OSSystems/lava-server,Linaro/lava-server,Linaro/lava-server,Linaro/lava-server,OSSystems/lava-server,OSSystems/lava-server