Simon Brunel efb82d93d8 Auto-release charts if not persistent (tests)
For convenience, charts are now automatically released after each spec if they are not acquired using `persistent: true`. Also remove the confusing and error prone `chartInstance` global variable and make sure that chart instances are local to each spec.
2016-09-08 23:32:43 +02:00
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2015-08-30 20:17:24 -04:00
2016-05-04 21:08:59 -04:00
2015-08-29 12:31:44 -04:00