Replace XMLHttpRequest usage with the Fetch API in the reftest-analyzer

[Snuffleupagus]

No description provided.

[Snuffleupagus]

/botio browsertest

[pdfjsbot]

From: Bot.io (Linux m4)

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Received

Command cmd_browsertest from @Snuffleupagus received. Current queue size: 1

Live output at: http://54.241.84.105:8877/fb6d4324d988a52/output.txt

[pdfjsbot]

From: Bot.io (Windows)

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Received

Command cmd_browsertest from @Snuffleupagus received. Current queue size: 0

Live output at: http://54.193.163.58:8877/75e86f66eabedec/output.txt

[pdfjsbot]

From: Bot.io (Windows)

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Success

Full output at http://54.193.163.58:8877/75e86f66eabedec/output.txt

Total script time: 20.39 mins

• Regression tests: Passed

[pdfjsbot]

From: Bot.io (Linux m4)

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Failed

Full output at http://54.241.84.105:8877/fb6d4324d988a52/output.txt

Total script time: 21.27 mins

• Regression tests: FAILED

  different ref/snapshot: 8
  different first/second rendering: 1

Image differences available at: http://54.241.84.105:8877/fb6d4324d988a52/reftest-analyzer.html#web=eq.log

[timvandermeij]

Looks good!