[wp-trac] [WordPress Trac] #41156: Refactor Emoji browser support tests to prevent repetition.

[WordPress Trac]

#41156: Refactor Emoji browser support tests to prevent repetition.
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 Reporter:  peterwilsoncc  |      Owner:
     Type:  enhancement    |     Status:  new
 Priority:  normal         |  Milestone:  4.9
Component:  Emoji          |    Version:
 Severity:  normal         |   Keywords:
  Focuses:  javascript     |
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 The tests for [https://core.trac.wordpress.org/browser/tags/4.8/src/wp-
 includes/js/wp-emoji-loader.js?marks=39-97#L39 Emoji browser support]
 writes to and clears the canvas several times.

 The code to do this is repeated a number of times and should be
 refactored. The repitition lead to a couple of (unreleased) bugs recently.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41156>
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