Link to builders :
https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/win%20trunk/builds/83317
https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/win64%20trunk/builds/33010
https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/linux64%20trunk/builds/9540

Link to Error log :
https://logs.chromium.org/v/?s=chrome%2Fbb%2Fofficial.desktop.continuous%2Flinux64_trunk%2F9540%2F%2B%2Frecipes%2Fsteps%2Fbrowser_tests%2F0%2Flogs%2FPrintPreviewInvalidSettingsBrowserTest.NoPDFPluginError%2F0


Error :
PrintPreviewInvalidSettingsBrowserTest.NoPDFPluginError (run #1):
[ RUN      ] PrintPreviewInvalidSettingsBrowserTest.NoPDFPluginError
Xlib:  extension "RANDR" missing on display ":9".
[40534:41839:0425/094610.345254:ERROR:object_proxy.cc(617)] Failed to call method: org.freedesktop.Notifications.GetCapabilities: object_path= /org/freedesktop/Notifications: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Notifications was not provided by any .service files
[40534:40534:0425/094610.349062:WARNING:password_store_factory.cc(240)] Using basic (unencrypted) store for password storage. See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_password_storage.md for more information about password storage options.
[40534:40534:0425/094610.748403:INFO:CONSOLE(1225)] "Running TestCase PrintPreviewInvalidSettingsBrowserTest.NoPDFPluginError", source: file:///b/c/b/linux64_trunk/src/chrome/test/data/webui/test_api.js (1225)
[40534:40534:0425/094610.782462:ERROR:CONSOLE(48)] "Mocha test failed: InvalidSettingsBrowserTest no pdf plugin error
AssertionError: expected false to be true
    at Function.assert.isTrue (file:///b/c/b/linux64_trunk/src/third_party/chaijs/chai.js:2423:31)
    at assertTrue (file:///b/c/b/linux64_trunk/src/chrome/test/data/webui/test_api.js:853:17)
    at file:///b/c/b/linux64_trunk/src/chrome/test/data/webui/print_preview/invalid_settings_browsertest.js:120:9
", source: file:///b/c/b/linux64_trunk/src/chrome/test/data/webui/mocha_adapter.js (48)
[40534:40534:0425/094610.798824:ERROR:web_ui_test_handler.cc(82)] Test Errors: 1/1 tests had failed assertions.
[40534:40534:0425/094610.798874:ERROR:web_ui_browser_test.cc(475)] CONDITION FAILURE: encountered javascript console error(s):
[40534:40534:0425/094610.798882:ERROR:web_ui_browser_test.cc(477)] JS ERROR: '[40534:40534:0425/094610.782462:ERROR:CONSOLE(48)] "Mocha test failed: InvalidSettingsBrowserTest no pdf plugin error
AssertionError: expected false to be true
    at Function.assert.isTrue (file:///b/c/b/linux64_trunk/src/third_party/chaijs/chai.js:2423:31)
    at assertTrue (file:///b/c/b/linux64_trunk/src/chrome/test/data/webui/test_api.js:853:17)
    at file:///b/c/b/linux64_trunk/src/chrome/test/data/webui/print_preview/invalid_settings_browsertest.js:120:9
", source: file:///b/c/b/linux64_trunk/src/chrome/test/data/webui/mocha_adapter.js (48)
'
[40534:40534:0425/094610.798889:ERROR:web_ui_browser_test.cc(479)] JS call assumed failed, because JS console error(s) found.
gen/chrome/test/data/webui/print_preview/new_print_preview_ui_browsertest-gen.cc:1680: Failure
Value of: RunJavascriptTestF( true, "PrintPreviewInvalidSettingsBrowserTest", "NoPDFPluginError")
  Actual: false
Expected: true
Stack trace:
#0 0x000004e9aecc (/b/c/b/linux64_trunk/src/out/Release/browser_tests+0x4e9aecb)
[40534:40534:0425/094611.186142:WARNING:pref_notifier_impl.cc(23)] Pref observer found at shutdown.
[40534:40534:0425/094611.186167:WARNING:pref_notifier_impl.cc(23)] Pref observer found at shutdown.
[  FAILED  ] PrintPreviewInvalidSettingsBrowserTest.NoPDFPluginError, where TypeParam =  and GetParam() =  (2879 ms)