Unit Test Speed Improvements

[OwenArnold]

This issue was originally TRAC 9905

This ticket is blocked by :

• TRAC9894
• TRAC9895
• TRAC9896
• TRAC9897
• TRAC9898
• TRAC9899
• TRAC9900
• TRAC9901
• TRAC9902
• TRAC9903
• TRAC9904
• TRAC10149
• TRAC10150

Improve the performance of unit tests in batches. Assigned to Owen Arnold as part of the 3.3 release maintenance window. This is an umbrella ticket to keep track of the individual batches owned by individual developers.

[OwenArnold]

@OwenArnold (2014-11-19T14:13:33):
(In http://trac.mantidproject.org/mantid/ticket/9893) Not realistically going to get done for 3.3.

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@OwenArnold (2014-11-19T14:15:49):
(In http://trac.mantidproject.org/mantid/ticket/10151) Not realistically going to get done for the 3.3 release. This is however linked to the work that Owen and Pete have done (are doing) the ground work for in http://trac.mantidproject.org/mantid/ticket/10471

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@OwenArnold (2014-11-19T14:17:46):
We managed to speed the unit tests up by about 4 minutes in this release!

All unit tests should still pass, as we weren't compromising on coverage.

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@NickDraper (2014-12-08T10:25:35):
Moved to the backlog at the code freeze of R3.3