John Cowen 3a14360da4 ui: Ensure an EventSource isn't opened if closed before first tick (#5703) ... EventSources will wait for 1 tick before 'opening'. There is always the chance that the EventSource is '.close()'ed before that tick. We therefore check the 'readyState' before opening the EventSource		2019-09-04 08:34:59 +00:00
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callable-test.js	ui: Ensure an EventSource isn't opened if closed before first tick (#5703)	2019-09-04 08:34:59 +00:00