COMP: Increase timeout for volTM3DRotateClip

volTM3DRotateClip needs more than 20 seconds on Ubuntu, so
increase to max of all VTK builds

Change-Id: I0d842a31717c2781ab0958fe5df13db52994a49c
Merge topic 'Timeout_volTM3DRotateClip' into master

01c70d84 COMP: Increase timeout for volTM3DRotateClip