Jonas Jenwald b5775af716 Wait for previous pdfDocument(s) to be destroyed before running the next reference test
Refactors `Driver._cleanup` to return a `Promise` which is resolved once all opened documents have been destroyed.
This is then used in `Driver._nextTask` to ensure that we wait for everything to be cleaned up, such that the tests run sequentially.
2017-05-11 12:56:45 +02:00
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2017-01-29 23:24:44 +01:00
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