active testsuites breaks the buildserver

[goldhoorn]

The buildserver seems to hang when running the tests:

IOR:010000001f00000049444c3a5254542f636f7262612f435461736b436f6e746578743a312e300000010000000000000064000000010102000c00000031302e3235302e302e3239006da100000e000000fea4dc845500002910000000058800000200000000000000080000000100000000545441010000001c00000001000000010001000100000001000105090101000100000009010100�[0m
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      129.917 [ Warning][~TaskContextServer()] CTaskContext 'orocosrb_10512' unbinding failed from CORBA Naming Service.�[0m
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      .130.050 [ Warning][TaskContextServer()] CTaskContext 'orocosrb_10512' could not find CORBA Naming Service.�[0m
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      130.050 [ Warning][TaskContextServer()] Writing IOR to 'std::cerr' and file 'orocosrb_10512.ior'�[0m
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      IOR:010000001f00000049444c3a5254542f636f7262612f435461736b436f6e746578743a312e300000010000000000000064000000010102000c00000031302e3235302e302e3239006da100000e000000fea4dc845500002910000000058a00000200000000000000080000000100000000545441010000001c00000001000000010001000100000001000105090101000100000009010100�[0m
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      130.177 [ Warning][~TaskContextServer()] CTaskContext 'orocosrb_10512' unbinding failed from CORBA Naming Service.�[0m
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      .130.308 [CRITICAL][Thread] Could not create thread orocosrb_10512.CorbaDispatch.�[0m
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      terminate called after throwing an instance of 'std::bad_alloc'�[0m
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
        what():  std::bad_alloc�[0m            
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      Aborted�[0m                              
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      rake aborted!�[0m                        
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      Command failed with status (134): [/usr/bin/ruby2.1  -Ilib:bin:test:. -e 'req...]�[0m
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      /data/jenkins/workspace/workspace/rock-complete/Flavor/master/node/Debian_stable/dev/.gems/gems/hoe-3.13.1/lib/hoe/test.rb:83:in `block in define_test_tasks'�[0m
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      Tasks: TOP => test => dist:test�[0m      
  �[1mrunning tests for�[0m tools/orocos.rb�[0m
      (See full trace by running task with --trace)�[0m

for more than 24h hours