"RewardsBrowserTest.SiteBannerDefaultPublisherAmounts" crashing CI intermittently

[kjozwiak]

RewardsBrowserTest.SiteBannerDefaultPublisherAmounts is intermittently crashing on CI. Example:

01:03:17  [ RUN      ] RewardsBrowserTest.SiteBannerDefaultPublisherAmounts
01:03:17  [438486:438486:0201/060235.975684:WARNING:connection.cc(60)] X error received.  Request: x11::CreatePixmapRequest, Error: x11::ValueError{.sequence = 183, .bad_value = 32, .minor_opcode = 0, .major_opcode = 53}
01:03:17  [438486:438486:0201/060235.975733:WARNING:connection.cc(60)] X error received.  Request: x11::CreateGCRequest, Error: x11::DrawableError{.sequence = 184, .bad_value = 4194305, .minor_opcode = 0, .major_opcode = 55}
01:03:17  [438486:438486:0201/060235.975746:WARNING:connection.cc(60)] X error received.  Request: x11::PutImageRequest, Error: x11::DrawableError{.sequence = 185, .bad_value = 4194305, .minor_opcode = 0, .major_opcode = 72}
01:03:17  [438486:438486:0201/060235.975754:WARNING:connection.cc(60)] X error received.  Request: x11::FreePixmapRequest, Error: x11::PixmapError{.sequence = 186, .bad_value = 4194305, .minor_opcode = 0, .major_opcode = 54}
01:03:17  [438486:438486:0201/060235.975762:WARNING:connection.cc(60)] X error received.  Request: x11::FreeGCRequest, Error: x11::GContextError{.sequence = 187, .bad_value = 4194306, .minor_opcode = 0, .major_opcode = 60}
01:03:17  [438486:438486:0201/060236.104023:ERROR:CONSOLE(1)] "Active tab not found", source: chrome-extension://mnojpmjdmbbfmejpflffifhffcmidifd/out/brave_extension_background.bundle.js (1)
01:03:17  [438486:438486:0201/060236.108017:WARNING:CONSOLE(1)] "no tab id so cannot request shield data from window focus change!", source: chrome-extension://mnojpmjdmbbfmejpflffifhffcmidifd/out/brave_extension_background.bundle.js (1)
01:03:17  [438486:438486:0201/060238.899837:ERROR:brave_referrals_service.cc(224)] Failed to fetch headers from referral server, error: -102, response code: -1, payload: , url: ****/promo/custom-headers
01:03:17  [438486:438486:0201/060238.899915:ERROR:brave_referrals_service.cc(253)] Failed to initialize referral, error: -102, response code: -1, payload: , url: ****/promo/initialize/nonua
01:03:17  ../../brave/components/brave_rewards/browser/test/common/rewards_browsertest_context_util.cc:281: Failure
01:03:17  Expected equality of these values:
01:03:17    true
01:03:17    result
01:03:17      Which is: a JavaScript error:
01:03:17  Error: Timed out waiting for '[type=tip]'.
01:03:17      at eval (__const_std::string&_script__:14:18)
01:03:17  
01:03:17  Stack trace:
01:03:17  #0 0x55abb84a90e9 (/home/ubuntu/workspace/pr-brave-browser-pr7715_in_app_callout_android_1.20.x-linux/src/out/Release/brave_browser_tests+0x5ffb0e8)
01:03:17  
01:03:17  ../../content/public/test/browser_test_base.cc:708: Failure
01:03:17  Failed
01:03:17  RunLoop::Run() timed out.
01:03:17  Stack trace:
01:03:17  #0 0x55abb84a90e9 (/home/ubuntu/workspace/pr-brave-browser-pr7715_in_app_callout_android_1.20.x-linux/src/out/Release/brave_browser_tests+0x5ffb0e8)
01:03:17  
01:03:17  ../../content/public/test/test_utils.cc:371: Failure
01:03:17  Value of: seen_
01:03:17    Actual: false
01:03:17  Expected: true
01:03:17  Stack trace:
01:03:17  #0 0x55abb84a90e9 (/home/ubuntu/workspace/pr-brave-browser-pr7715_in_app_callout_android_1.20.x-linux/src/out/Release/brave_browser_tests+0x5ffb0e8)
01:03:17  
01:03:17  BrowserTestBase received signal: Segmentation fault. Backtrace:
01:03:17  #0 0x55abb84a90e9 (/home/ubuntu/workspace/pr-brave-browser-pr7715_in_app_callout_android_1.20.x-linux/src/out/Release/brave_browser_tests+0x5ffb0e8)