Fix the error handling for CMaps that fail to load

[Snuffleupagus]

Re: #5185.

/cc @yurydelendik

[timvandermeij]

/botio-linux preview

[pdfjsbot]

From: Bot.io (Linux)

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Received

Command cmd_preview from @timvandermeij received. Current queue size: 0

Live output at: http://107.21.233.14:8877/8d58b8761a50630/output.txt

[pdfjsbot]

From: Bot.io (Linux)

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Success

Full output at http://107.21.233.14:8877/8d58b8761a50630/output.txt

Total script time: 0.76 mins

Published

• Viewer: http://107.21.233.14:8877/8d58b8761a50630/web/viewer.html
• B2G Viewer: http://107.21.233.14:8877/8d58b8761a50630/extensions/b2g/content/web/viewer.html
• Extension: http://107.21.233.14:8877/8d58b8761a50630/extensions/firefox/pdf.js.xpi
• Extension (AMO): http://107.21.233.14:8877/8d58b8761a50630/extensions/firefox/pdf.js.amo.xpi

[timvandermeij]

/botio test

[pdfjsbot]

From: Bot.io (Windows)

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Received

Command cmd_test from @timvandermeij received. Current queue size: 0

Live output at: http://107.22.172.223:8877/ff59d9de27761e1/output.txt

[pdfjsbot]

From: Bot.io (Linux)

---

Received

Command cmd_test from @timvandermeij received. Current queue size: 1

Live output at: http://107.21.233.14:8877/a8d660bf802a7c2/output.txt

[pdfjsbot]

From: Bot.io (Windows)

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Failed

Full output at http://107.22.172.223:8877/ff59d9de27761e1/output.txt

Total script time: 2.89 mins

• Font tests: FAILED
• Unit tests: Passed
• Regression tests: FAILED

Image differences available at: http://107.22.172.223:8877/ff59d9de27761e1/reftest-analyzer.html#web=eq.log

[yurydelendik]

/botio-windows test

[pdfjsbot]

From: Bot.io (Windows)

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Received

Command cmd_test from @yurydelendik received. Current queue size: 0

Live output at: http://107.22.172.223:8877/3a5da17e606c8c4/output.txt

[pdfjsbot]

From: Bot.io (Linux)

---

Success

Full output at http://107.21.233.14:8877/a8d660bf802a7c2/output.txt

Total script time: 22.53 mins

• Font tests: Passed
• Unit tests: Passed
• Regression tests: Passed

[pdfjsbot]

From: Bot.io (Windows)

---

Success

Full output at http://107.22.172.223:8877/3a5da17e606c8c4/output.txt

Total script time: 19.90 mins

• Font tests: Passed
• Unit tests: Passed
• Regression tests: Passed

[yurydelendik]

Thank you for the patch