Adam Olley 415023cefc MDL-54120 competency: Don't assume there are no existing scales
Every time a unit test for competencies adds a scale, it's creating them
with hardcoded id's - which should always be avoided. So this change has
the unit test keep track of the scale id's created without hardcoding
them.
2016-05-10 14:48:18 +09:30
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