Bug: Intermittent [TV] browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js | site specific setting should initially not exist and return null. - null == "system.under.test" - {"filename":"chrome://mochitests/content/browser/
Status: RESOLVED
Priority: P5
Resolution: FIXED
Created: 2024-03-11 21:22:52+00:00
Resolved: 2024-04-29 13:43:10+00:00

**Filed by:** smolnar [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=450359411&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/CWVWPhX1TxKr675S24wgaw/runs/0/artifacts/public/logs/live_backing.log
**Reftest URL:** https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/CWVWPhX1TxKr675S24wgaw/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
TEST-START | browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js
[task 2024-03-11T19:18:58.938Z] 19:18:58     INFO - TEST-INFO | started process screenshot
[task 2024-03-11T19:18:59.215Z] 19:18:59     INFO - TEST-INFO | screenshot: exit 0
[task 2024-03-11T19:18:59.215Z] 19:18:59     INFO - Buffered messages logged at 19:18:58
[task 2024-03-11T19:18:59.216Z] 19:18:59     INFO - Entering setup bound add_setup
[task 2024-03-11T19:18:59.217Z] 19:18:59     INFO - Leaving setup bound add_setup
[task 2024-03-11T19:18:59.217Z] 19:18:59     INFO - Entering test bound check_null_value
[task 2024-03-11T19:18:59.217Z] 19:18:59     INFO - Buffered messages finished
[task 2024-03-11T19:18:59.223Z] 19:18:59     INFO - TEST-UNEXPECTED-FAIL | browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js | site specific setting should initially not exist and return null. - null == "system.under.test" - {"filename":"chrome://mochitests/content/browser/browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js","name":"check_null_value","sourceId":627,"lineNumber":20,"columnNumber":10,"sourceLine":"","asyncCause":null,"asyncCaller":{"filename":"chrome://mochikit/content/browser-test.js","name":"handleTask","sourceId":567,"lineNumber":1139,"columnNumber":26,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/browser-test.js","name":"_runTaskBasedTest","sourceId":567,"lineNumber":1211,"columnNumber":18,"sourceLine":"","asyncCause":null,"asyncCaller":{"filename":"chrome://mochikit/content/browser-test.js","name":"Tester_execTest","sourceId":567,"lineNumber":1353,"columnNumber":14,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/browser-test.js","name":"nextTest/<","sourceId":567,"lineNumber":1122,"columnNumber":14,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/tests/SimpleTest/SimpleTest.js","name":"SimpleTest.waitForFocus/<","sourceId":594,"lineNumber":1058,"columnNumber":13,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":null,"formattedStack":"SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"nextTest/<@chrome://mochikit/content/browser-test.js:1122:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"async*Tester_execTest@chrome://mochikit/content/browser-test.js:1353:14\nnextTest/<@chrome://mochikit/content/browser-test.js:1122:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"caller":null,"formattedStack":"_runTaskBasedTest@chrome://mochikit/content/browser-test.js:1211:18\nasync*Tester_execTest@chrome://mochikit/content/browser-test.js:1353:14\nnextTest/<@chrome://mochikit/content/browser-test.js:1122:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"async*handleTask@chrome://mochikit/content/browser-test.js:1139:26\n_runTaskBasedTest@chrome://mochikit/content/browser-test.js:1211:18\nasync*Tester_execTest@chrome://mochikit/content/browser-test.js:1353:14\nnextTest/<@chrome://mochikit/content/browser-test.js:1122:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"caller":null,"formattedStack":"check_null_value@chrome://mochitests/content/browser/browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js:20:10\nasync*handleTask@chrome://mochikit/content/browser-test.js:1139:26\n_runTaskBasedTest@chrome://mochikit/content/browser-test.js:1211:18\nasync*Tester_execTest@chrome://mochikit/content/browser-test.js:1353:14\nnextTest/<@chrome://mochikit/content/browser-test.js:1122:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}}
[task 2024-03-11T19:18:59.223Z] 19:18:59     INFO - Stack trace:
[task 2024-03-11T19:18:59.223Z] 19:18:59     INFO - chrome://mochitests/content/browser/browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js:check_null_value:20
[task 2024-03-11T19:18:59.223Z] 19:18:59     INFO - chrome://mochikit/content/browser-test.js:handleTask:1139
[task 2024-03-11T19:18:59.223Z] 19:18:59     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1211
[task 2024-03-11T19:18:59.223Z] 19:18:59     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1353
[task 2024-03-11T19:18:59.223Z] 19:18:59     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1122
[task 2024-03-11T19:18:59.223Z] 19:18:59     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2024-03-11T19:18:59.224Z] 19:18:59     INFO - Leaving test bound check_null_value
[task 2024-03-11T19:18:59.224Z] 19:18:59     INFO - Entering test bound check_default_value
[task 2024-03-11T19:18:59.225Z] 19:18:59     INFO - Not taking screenshot here: see the one that was previously logged
[task 2024-03-11T19:18:59.230Z] 19:18:59     INFO - TEST-UNEXPECTED-FAIL | browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js | site specific setting with a fallback/default value set to true. - true == "system.under.test" - {"filename":"chrome://mochitests/content/browser/browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js","name":"check_default_value","sourceId":627,"lineNumber":31,"columnNumber":10,"sourceLine":"","asyncCause":null,"asyncCaller":{"filename":"chrome://mochikit/content/browser-test.js","name":"handleTask","sourceId":567,"lineNumber":1139,"columnNumber":26,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/browser-test.js","name":"_runTaskBasedTest","sourceId":567,"lineNumber":1211,"columnNumber":18,"sourceLine":"","asyncCause":null,"asyncCaller":{"filename":"chrome://mochikit/content/browser-test.js","name":"Tester_execTest","sourceId":567,"lineNumber":1353,"columnNumber":14,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/browser-test.js","name":"nextTest/<","sourceId":567,"lineNumber":1122,"columnNumber":14,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/tests/SimpleTest/SimpleTest.js","name":"SimpleTest.waitForFocus/<","sourceId":594,"lineNumber":1058,"columnNumber":13,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":null,"formattedStack":"SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"nextTest/<@chrome://mochikit/content/browser-test.js:1122:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"async*Tester_execTest@chrome://mochikit/content/browser-test.js:1353:14\nnextTest/<@chrome://mochikit/content/browser-test.js:1122:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"caller":null,"formattedStack":"_runTaskBasedTest@chrome://mochikit/content/browser-test.js:1211:18\nasync*Tester_execTest@chrome://mochikit/content/browser-test.js:1353:14\nnextTest/<@chrome://mochikit/content/browser-test.js:1122:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"async*handleTask@chrome://mochikit/content/browser-test.js:1139:26\n_runTaskBasedTest@chrome://mochikit/content/browser-test.js:1211:18\nasync*Tester_execTest@chrome://mochikit/content/browser-test.js:1353:14\nnextTest/<@chrome://mochikit/content/browser-test.js:1122:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"caller":null,"formattedStack":"check_default_value@chrome://mochitests/content/browser/browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js:31:10\nasync*handleTask@chrome://mochikit/content/browser-test.js:1139:26\n_runTaskBasedTest@chrome://mochikit/content/browser-test.js:1211:18\nasync*Tester_execTest@chrome://mochikit/content/browser-test.js:1353:14\nnextTest/<@chrome://mochikit/content/browser-test.js:1122:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}}
[task 2024-03-11T19:18:59.230Z] 19:18:59     INFO - Stack trace:
[task 2024-03-11T19:18:59.230Z] 19:18:59     INFO - chrome://mochitests/content/browser/browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js:check_default_value:31
[task 2024-03-11T19:18:59.230Z] 19:18:59     INFO - chrome://mochikit/content/browser-test.js:handleTask:1139
[task 2024-03-11T19:18:59.230Z] 19:18:59     INFO - chrome://mochikit/content/browser-test.js:_runTaskBasedTest:1211
[task 2024-03-11T19:18:59.230Z] 19:18:59     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1353
[task 2024-03-11T19:18:59.230Z] 19:18:59     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1122
[task 2024-03-11T19:18:59.230Z] 19:18:59     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2024-03-11T19:18:59.230Z] 19:18:59     INFO - Leaving test bound check_default_value
[task 2024-03-11T19:18:59.231Z] 19:18:59     INFO - Entering test bound check_save_value
[task 2024-03-11T19:18:59.232Z] 19:18:59     INFO - TEST-PASS | browser/components/tests/browser/browser_default_webprotocol_handler_mailto.js
```