1) [python-perspective-jupyterlab-desktop-chrome] › ../../packages/perspective-jupyterlab/test/jupyter/utils.mjs:106:5 › Blank Notebook › Loads data Error: browserType.launch: Target page, context or browser has been closed Browser logs: ╔════════════════════════════════════════════════════════════════════════════════════════════════╗ ║ Looks like you launched a headed browser without having a XServer running. ║ ║ Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright. ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════════════════════════════════════════╝ Call log: - <launching> /home/runner/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --no-sandbox --js-flags=--expose-gc --user-data-dir=/tmp/playwright_chromiumdev_profile-gccnkH --remote-debugging-pipe --no-startup-window - <launched> pid=5951 - [pid=5951][err] [5951:5951:1011/190355.079701:ERROR:ozone_platform_x11.cc(244)] Missing X server or $DISPLAY - [pid=5951][err] [5951:5951:1011/190355.079729:ERROR:env.cc(258)] The platform failed to initialize. Exiting.

2) [python-perspective-jupyterlab-desktop-chrome] › ../../packages/perspective-jupyterlab/test/jupyter/utils.mjs:106:5 › Blank Notebook › Loads updates Error: browserType.launch: Target page, context or browser has been closed Browser logs: ╔════════════════════════════════════════════════════════════════════════════════════════════════╗ ║ Looks like you launched a headed browser without having a XServer running. ║ ║ Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright. ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════════════════════════════════════════╝ Call log: - <launching> /home/runner/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --no-sandbox --js-flags=--expose-gc --user-data-dir=/tmp/playwright_chromiumdev_profile-EKgdAT --remote-debugging-pipe --no-startup-window - <launched> pid=5983 - [pid=5983][err] [5983:5983:1011/190355.734971:ERROR:ozone_platform_x11.cc(244)] Missing X server or $DISPLAY - [pid=5983][err] [5983:5983:1011/190355.734997:ERROR:env.cc(258)] The platform failed to initialize. Exiting.

3) [python-perspective-jupyterlab-desktop-chrome] › ../../packages/perspective-jupyterlab/test/jupyter/utils.mjs:106:5 › Blank Notebook › Loads a table Error: browserType.launch: Target page, context or browser has been closed Browser logs: ╔════════════════════════════════════════════════════════════════════════════════════════════════╗ ║ Looks like you launched a headed browser without having a XServer running. ║ ║ Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright. ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════════════════════════════════════════╝ Call log: - <launching> /home/runner/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --no-sandbox --js-flags=--expose-gc --user-data-dir=/tmp/playwright_chromiumdev_profile-ZpRh2W --remote-debugging-pipe --no-startup-window - <launched> pid=6016 - [pid=6016][err] [6016:6016:1011/190356.374812:ERROR:ozone_platform_x11.cc(244)] Missing X server or $DISPLAY - [pid=6016][err] [6016:6016:1011/190356.374840:ERROR:env.cc(258)] The platform failed to initialize. Exiting.

4) [python-perspective-jupyterlab-desktop-chrome] › ../../packages/perspective-jupyterlab/test/jupyter/utils.mjs:106:5 › Blank Notebook › Loads with settings=False Error: browserType.launch: Target page, context or browser has been closed Browser logs: ╔════════════════════════════════════════════════════════════════════════════════════════════════╗ ║ Looks like you launched a headed browser without having a XServer running. ║ ║ Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright. ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════════════════════════════════════════╝ Call log: - <launching> /home/runner/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --no-sandbox --js-flags=--expose-gc --user-data-dir=/tmp/playwright_chromiumdev_profile-ikg3oO --remote-debugging-pipe --no-startup-window - <launched> pid=6049 - [pid=6049][err] [6049:6049:1011/190357.018818:ERROR:ozone_platform_x11.cc(244)] Missing X server or $DISPLAY - [pid=6049][err] [6049:6049:1011/190357.018846:ERROR:env.cc(258)] The platform failed to initialize. Exiting.

5) [python-perspective-jupyterlab-desktop-chrome] › ../../packages/perspective-jupyterlab/test/jupyter/utils.mjs:106:5 › Blank Notebook › Loads with edit_mode=EDIT Error: browserType.launch: Target page, context or browser has been closed Browser logs: ╔════════════════════════════════════════════════════════════════════════════════════════════════╗ ║ Looks like you launched a headed browser without having a XServer running. ║ ║ Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright. ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════════════════════════════════════════╝ Call log: - <launching> /home/runner/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --no-sandbox --js-flags=--expose-gc --user-data-dir=/tmp/playwright_chromiumdev_profile-kdaQ3m --remote-debugging-pipe --no-startup-window - <launched> pid=6083 - [pid=6083][err] [6083:6083:1011/190357.675082:ERROR:ozone_platform_x11.cc(244)] Missing X server or $DISPLAY - [pid=6083][err] [6083:6083:1011/190357.675110:ERROR:env.cc(258)] The platform failed to initialize. Exiting.

6) [python-perspective-jupyterlab-desktop-chrome] › ../../packages/perspective-jupyterlab/test/jupyter/utils.mjs:106:5 › Blank Notebook › Editable Toggle - from Python Error: browserType.launch: Target page, context or browser has been closed Browser logs: ╔════════════════════════════════════════════════════════════════════════════════════════════════╗ ║ Looks like you launched a headed browser without having a XServer running. ║ ║ Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright. ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════════════════════════════════════════╝ Call log: - <launching> /home/runner/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --no-sandbox --js-flags=--expose-gc --user-data-dir=/tmp/playwright_chromiumdev_profile-MvPSaw --remote-debugging-pipe --no-startup-window - <launched> pid=6115 - [pid=6115][err] [6115:6115:1011/190358.344833:ERROR:ozone_platform_x11.cc(244)] Missing X server or $DISPLAY - [pid=6115][err] [6115:6115:1011/190358.344861:ERROR:env.cc(258)] The platform failed to initialize. Exiting.

7) [python-perspective-jupyterlab-desktop-chrome] › ../../packages/perspective-jupyterlab/test/jupyter/utils.mjs:106:5 › Blank Notebook › Editable Toggle - from JS Error: browserType.launch: Target page, context or browser has been closed Browser logs: ╔════════════════════════════════════════════════════════════════════════════════════════════════╗ ║ Looks like you launched a headed browser without having a XServer running. ║ ║ Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright. ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════════════════════════════════════════╝ Call log: - <launching> /home/runner/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --no-sandbox --js-flags=--expose-gc --user-data-dir=/tmp/playwright_chromiumdev_profile-ReKHnF --remote-debugging-pipe --no-startup-window - <launched> pid=6147 - [pid=6147][err] [6147:6147:1011/190359.004960:ERROR:ozone_platform_x11.cc(244)] Missing X server or $DISPLAY - [pid=6147][err] [6147:6147:1011/190359.004986:ERROR:env.cc(258)] The platform failed to initialize. Exiting.

8) [python-perspective-jupyterlab-desktop-chrome] › ../../packages/perspective-jupyterlab/test/jupyter/utils.mjs:106:5 › Blank Notebook › Everything Else - Toggle from Python Error: browserType.launch: Target page, context or browser has been closed Browser logs: ╔════════════════════════════════════════════════════════════════════════════════════════════════╗ ║ Looks like you launched a headed browser without having a XServer running. ║ ║ Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright. ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════════════════════════════════════════╝ Call log: - <launching> /home/runner/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --no-sandbox --js-flags=--expose-gc --user-data-dir=/tmp/playwright_chromiumdev_profile-aZDIW6 --remote-debugging-pipe --no-startup-window - <launched> pid=6179 - [pid=6179][err] [6179:6179:1011/190359.663328:ERROR:ozone_platform_x11.cc(244)] Missing X server or $DISPLAY - [pid=6179][err] [6179:6179:1011/190359.663352:ERROR:env.cc(258)] The platform failed to initialize. Exiting.

9) [python-perspective-jupyterlab-desktop-chrome] › ../../packages/perspective-jupyterlab/test/jupyter/utils.mjs:106:5 › Blank Notebook › Everything Else - Toggle from JS Error: browserType.launch: Target page, context or browser has been closed Browser logs: ╔════════════════════════════════════════════════════════════════════════════════════════════════╗ ║ Looks like you launched a headed browser without having a XServer running. ║ ║ Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright. ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════════════════════════════════════════╝ Call log: - <launching> /home/runner/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --no-sandbox --js-flags=--expose-gc --user-data-dir=/tmp/playwright_chromiumdev_profile-NTok9y --remote-debugging-pipe --no-startup-window - <launched> pid=6211 - [pid=6211][err] [6211:6211:1011/190400.306155:ERROR:ozone_platform_x11.cc(244)] Missing X server or $DISPLAY - [pid=6211][err] [6211:6211:1011/190400.306181:ERROR:env.cc(258)] The platform failed to initialize. Exiting.

10) [python-perspective-jupyterlab-desktop-chrome] › ../../packages/perspective-jupyterlab/test/jupyter/utils.mjs:106:5 › Blank Notebook › Edit from frontend - end to end Error: browserType.launch: Target page, context or browser has been closed Browser logs: ╔════════════════════════════════════════════════════════════════════════════════════════════════╗ ║ Looks like you launched a headed browser without having a XServer running. ║ ║ Set either 'headless: true' or use 'xvfb-run <your-playwright-app>' before running Playwright. ║ ║ ║ ║ <3 Playwright Team ║ ╚════════════════════════════════════════════════════════════════════════════════════════════════╝ Call log: - <launching> /home/runner/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --no-sandbox --js-flags=--expose-gc --user-data-dir=/tmp/playwright_chromiumdev_profile-4YcCWl --remote-debugging-pipe --no-startup-window - <launched> pid=6245 - [pid=6245][err] [6245:6245:1011/190400.947836:ERROR:ozone_platform_x11.cc(244)] Missing X server or $DISPLAY - [pid=6245][err] [6245:6245:1011/190400.947867:ERROR:env.cc(258)] The platform failed to initialize. Exiting.