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[Balazs Gibizer <1918528@xxxxxxxxxxxxxxxxxx>]

Lets discuss the future of this bug in the first one
https://bugs.launchpad.net/nova/+bug/1918340

** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1918528

Title:
  Fault Injection #720 - improve unit test effectiveness

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  Description
  ===========
  I have performed fault injection in openstack nova by changing the code of compute/api.py (inserting a representative/probable bug) and then ran the unit, functional and integration tests and discover that some of the bugs inserted were not detected by the test suite:
  The reference MSFC (Missing Synchronization calls) is a type of fault where a synchronization mechanism is missing. 

  Steps to reproduce
  ==================

  Line of Code	|Original Code		|Incorrect Code
  4186	|@check_instance_lock	|Remove line of code

  Refactor the line of code above to the incorrect code. Then execute
  the unit tests.

  Expected result
  ===============
  The unit tests should detect the fault.

  
  Actual result
  ===============
  The fault was not detected by the unit tests.

  Environment
  ===========
  The code tested is on the stable/ussuri branch.

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