This fails only when these two test groups are ran in the same job: ``` /clipboard-apis/permissions /input-events ``` When multiple test groups are ran such as [this job](https://treeherder.mozilla.org/jobs?repo=autoland&group_state=expanded&fromchange=e7cfbaa85de1dfb4d2cc4909d868ad69d9470289&searchStr=linux1804-64-qr%2Copt%2Cwpt&tochange=e7cfbaa85de1dfb4d2cc4909d868ad69d9470289&selectedTaskRun=BiO2j7KHTiSN002yVK9lCg.0), Test Groups: ``` /FileAPI/file /WebCryptoAPI/generateKey /_mozilla/dom /_mozilla/mediacapture-streams /app-history/app-history-entry /background-fetch /bluetooth/characteristic/readValue /bluetooth/idl /bluetooth/service/getCharacteristic /clipboard-apis/feature-policy/clipboard-read /content-index /content-security-policy/frame-src /content-security-policy/navigate-to/form-action /content-security-policy/script-src /content-security-policy/worker-src /cookies/path /credential-management /css/css-align /css/css-animations/responsive /css/css-cascade /css/css-contain /css/css-display/parsing /css/css-fonts /css/css-grid/alignment /css/css-highlight-api /css/css-lists /css/css-masking/parsing /css/css-page/parsing /css/css-ruby /css/css-shadow-parts /css/css-sizing/animation /css/css-tables/tentative /css/css-text/parsing /css/css-transforms/parsing /css/css-ui /css/css-writing-modes/parsing /css/motion/animation /custom-elements/form-associated /device-memory /dom/events /editing /encoding/legacy-mb-schinese/gb18030 /eyedropper /fetch/api/headers /fetch/cross-origin-resource-policy /fetch/range /fullscreen/api /html/browsers/history /html/cross-origin-embedder-policy/anonymous-iframe /html/editing/dnd /html/links/icon /html/semantics/disabled-elements /html/semantics/tabular-data /html/the-xhtml-syntax/parsing-xhtml-documents /html/webappapis/timers /inert /input-events /js-self-profiling/without-document-policy /loading /mathml/presentation-markup/radicals /media-source/dedicated-worker /merchant-validation /mixed-content/gen/top.http-rp /native-io /orientation-sensor /paint-timing/with-first-paint /periodic-background-sync /pointerevents/parsing /private-click-measurement /referrer-policy/css-integration/font-face /referrer-policy/gen/top.http-rp /resize-observer /screen-wake-lock /selection/textcontrols /service-workers/service-worker/multi-globals /shadow-dom/untriaged/styles /storage-access-api /svg/animations /svg/linking/scripted /svg/render /svg/text/scripted /uievents/click /upgrade-insecure-requests/gen/iframe-blank-inherit.meta /upgrade-insecure-requests/gen/worker-classic-data.meta /virtual-keyboard /wasm/jsapi/instance /web-animations/animation-model/combining-effects /web-animations/responsive /web-otp /webaudio/the-audio-api/the-audioworklet-interface /webaudio/the-audio-api/the-iirfilternode-interface /webaudio/the-audio-api/the-waveshapernode-interface /webmessaging /webrtc-encoded-transform /websockets /websockets/security /webvtt/parsing/cue-text-parsing /webxr/hand-input /workers/interfaces/SharedWorkerGlobalScope /workers/semantics/run-a-worker ``` `input-events-cut-paste.html` is always OK. It first failed on [this job](https://treeherder.mozilla.org/jobs?repo=autoland&searchStr=linux%2C18.04%2Cx64%2Cwebrender%2Copt%2Cweb%2Cplatform%2Ctests%2Ctest-linux1804-64-qr%2Fopt-web-platform-tests-e10s%2Cwpt1&fromchange=b2749184f16a4a5ab248ab8477e8287068cea27a&tochange=4a3e7b8fedc154a389573bbe86723d3644fcd81f&group_state=expanded&selectedTaskRun=ZN9-CRj4TQOyWhLuuPPPmA.0) where only those two test groups ran and it was backfiled and retriggered from there under the same circumstances hence the high failure rate. Mirko, maybe you could try and repro under these conditions and I think you could get it to fail.
Bug 1755411 Comment 7 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
This fails only when these two test groups are ran in the same job:
```
/clipboard-apis/permissions
/input-events
```
When multiple test groups are ran such as [this job](https://treeherder.mozilla.org/jobs?repo=autoland&group_state=expanded&fromchange=e7cfbaa85de1dfb4d2cc4909d868ad69d9470289&searchStr=linux1804-64-qr%2Copt%2Cwpt&tochange=e7cfbaa85de1dfb4d2cc4909d868ad69d9470289&selectedTaskRun=BiO2j7KHTiSN002yVK9lCg.0),
Test Groups:
```
/FileAPI/file
/WebCryptoAPI/generateKey
/_mozilla/dom
/_mozilla/mediacapture-streams
/app-history/app-history-entry
/background-fetch
/bluetooth/characteristic/readValue
/bluetooth/idl
/bluetooth/service/getCharacteristic
/clipboard-apis/feature-policy/clipboard-read
/content-index
/content-security-policy/frame-src
/content-security-policy/navigate-to/form-action
/content-security-policy/script-src
/content-security-policy/worker-src
/cookies/path
/credential-management
/css/css-align
/css/css-animations/responsive
/css/css-cascade
/css/css-contain
/css/css-display/parsing
/css/css-fonts
/css/css-grid/alignment
/css/css-highlight-api
/css/css-lists
/css/css-masking/parsing
/css/css-page/parsing
/css/css-ruby
/css/css-shadow-parts
/css/css-sizing/animation
/css/css-tables/tentative
/css/css-text/parsing
/css/css-transforms/parsing
/css/css-ui
/css/css-writing-modes/parsing
/css/motion/animation
/custom-elements/form-associated
/device-memory
/dom/events
/editing
/encoding/legacy-mb-schinese/gb18030
/eyedropper
/fetch/api/headers
/fetch/cross-origin-resource-policy
/fetch/range
/fullscreen/api
/html/browsers/history
/html/cross-origin-embedder-policy/anonymous-iframe
/html/editing/dnd
/html/links/icon
/html/semantics/disabled-elements
/html/semantics/tabular-data
/html/the-xhtml-syntax/parsing-xhtml-documents
/html/webappapis/timers
/inert
/input-events
/js-self-profiling/without-document-policy
/loading
/mathml/presentation-markup/radicals
/media-source/dedicated-worker
/merchant-validation
/mixed-content/gen/top.http-rp
/native-io
/orientation-sensor
/paint-timing/with-first-paint
/periodic-background-sync
/pointerevents/parsing
/private-click-measurement
/referrer-policy/css-integration/font-face
/referrer-policy/gen/top.http-rp
/resize-observer
/screen-wake-lock
/selection/textcontrols
/service-workers/service-worker/multi-globals
/shadow-dom/untriaged/styles
/storage-access-api
/svg/animations
/svg/linking/scripted
/svg/render
/svg/text/scripted
/uievents/click
/upgrade-insecure-requests/gen/iframe-blank-inherit.meta
/upgrade-insecure-requests/gen/worker-classic-data.meta
/virtual-keyboard
/wasm/jsapi/instance
/web-animations/animation-model/combining-effects
/web-animations/responsive
/web-otp
/webaudio/the-audio-api/the-audioworklet-interface
/webaudio/the-audio-api/the-iirfilternode-interface
/webaudio/the-audio-api/the-waveshapernode-interface
/webmessaging
/webrtc-encoded-transform
/websockets
/websockets/security
/webvtt/parsing/cue-text-parsing
/webxr/hand-input
/workers/interfaces/SharedWorkerGlobalScope
/workers/semantics/run-a-worker
```
`input-events-cut-paste.html` is always OK.
It first failed on [this job](https://treeherder.mozilla.org/jobs?repo=autoland&searchStr=linux%2C18.04%2Cx64%2Cwebrender%2Copt%2Cweb%2Cplatform%2Ctests%2Ctest-linux1804-64-qr%2Fopt-web-platform-tests-e10s%2Cwpt1&fromchange=b2749184f16a4a5ab248ab8477e8287068cea27a&tochange=4a3e7b8fedc154a389573bbe86723d3644fcd81f&group_state=expanded&selectedTaskRun=ZN9-CRj4TQOyWhLuuPPPmA.0) where only those two test groups ran and it was backfiled and retriggered from there under the same circumstances hence the high failure rate.
Mirko, maybe you could try and repro under these conditions and I think you could get it to fail.
This fails only when these two test groups are ran in the same job:
```
/clipboard-apis/permissions
/input-events
```
When multiple test groups are ran such as [this job](https://treeherder.mozilla.org/jobs?repo=autoland&group_state=expanded&fromchange=e7cfbaa85de1dfb4d2cc4909d868ad69d9470289&searchStr=linux1804-64-qr%2Copt%2Cwpt&tochange=e7cfbaa85de1dfb4d2cc4909d868ad69d9470289&selectedTaskRun=BiO2j7KHTiSN002yVK9lCg.0),
Test Groups:
```
/FileAPI/file
/WebCryptoAPI/generateKey
/_mozilla/dom
/_mozilla/mediacapture-streams
/app-history/app-history-entry
/background-fetch
/bluetooth/characteristic/readValue
/bluetooth/idl
/bluetooth/service/getCharacteristic
/clipboard-apis/feature-policy/clipboard-read
/content-index
/content-security-policy/frame-src
/content-security-policy/navigate-to/form-action
/content-security-policy/script-src
/content-security-policy/worker-src
/cookies/path
/credential-management
/css/css-align
/css/css-animations/responsive
/css/css-cascade
/css/css-contain
/css/css-display/parsing
/css/css-fonts
/css/css-grid/alignment
/css/css-highlight-api
/css/css-lists
/css/css-masking/parsing
/css/css-page/parsing
/css/css-ruby
/css/css-shadow-parts
/css/css-sizing/animation
/css/css-tables/tentative
/css/css-text/parsing
/css/css-transforms/parsing
/css/css-ui
/css/css-writing-modes/parsing
/css/motion/animation
/custom-elements/form-associated
/device-memory
/dom/events
/editing
/encoding/legacy-mb-schinese/gb18030
/eyedropper
/fetch/api/headers
/fetch/cross-origin-resource-policy
/fetch/range
/fullscreen/api
/html/browsers/history
/html/cross-origin-embedder-policy/anonymous-iframe
/html/editing/dnd
/html/links/icon
/html/semantics/disabled-elements
/html/semantics/tabular-data
/html/the-xhtml-syntax/parsing-xhtml-documents
/html/webappapis/timers
/inert
/input-events
/js-self-profiling/without-document-policy
/loading
/mathml/presentation-markup/radicals
/media-source/dedicated-worker
/merchant-validation
/mixed-content/gen/top.http-rp
/native-io
/orientation-sensor
/paint-timing/with-first-paint
/periodic-background-sync
/pointerevents/parsing
/private-click-measurement
/referrer-policy/css-integration/font-face
/referrer-policy/gen/top.http-rp
/resize-observer
/screen-wake-lock
/selection/textcontrols
/service-workers/service-worker/multi-globals
/shadow-dom/untriaged/styles
/storage-access-api
/svg/animations
/svg/linking/scripted
/svg/render
/svg/text/scripted
/uievents/click
/upgrade-insecure-requests/gen/iframe-blank-inherit.meta
/upgrade-insecure-requests/gen/worker-classic-data.meta
/virtual-keyboard
/wasm/jsapi/instance
/web-animations/animation-model/combining-effects
/web-animations/responsive
/web-otp
/webaudio/the-audio-api/the-audioworklet-interface
/webaudio/the-audio-api/the-iirfilternode-interface
/webaudio/the-audio-api/the-waveshapernode-interface
/webmessaging
/webrtc-encoded-transform
/websockets
/websockets/security
/webvtt/parsing/cue-text-parsing
/webxr/hand-input
/workers/interfaces/SharedWorkerGlobalScope
/workers/semantics/run-a-worker
```
`input-events-cut-paste.html` is always OK.
It first failed on [this job](https://treeherder.mozilla.org/jobs?repo=autoland&searchStr=linux%2C18.04%2Cx64%2Cwebrender%2Copt%2Cweb%2Cplatform%2Ctests%2Ctest-linux1804-64-qr%2Fopt-web-platform-tests-e10s%2Cwpt1&fromchange=b2749184f16a4a5ab248ab8477e8287068cea27a&tochange=4a3e7b8fedc154a389573bbe86723d3644fcd81f&group_state=expanded&selectedTaskRun=ZN9-CRj4TQOyWhLuuPPPmA.0) where only those two test groups ran and it was backfiled and retriggered from there under the same circumstances hence the high failure rate. It only fails on linux1804-64-qr opt (not shippable, asan or tsan) which only runs on autoland.
Mirko, maybe you could try and repro under these conditions and I think you could get it to fail.