Transient failure in spec/features/projects/branches/user_deletes_branch_spec.rb / User deletes branch deletes branch

Job #245296941 failed for f3403f21:

1796 User deletes branch
1797 1st Try error in ./spec/features/projects/branches/user_deletes_branch_spec.rb:14:
1798 Unable to find modal dialog
1799 Unexpected browser console output:
1800 http://127.0.0.1:43731/namespace63/project63/variables - Failed to load resource: the server responded with a status of 400 (Bad Request)
1801 http://127.0.0.1:43731/namespace65/project65/variables - Failed to load resource: the server responded with a status of 400 (Bad Request)
1802 http://127.0.0.1:43731/namespace67/project67/variables - Failed to load resource: the server responded with a status of 400 (Bad Request)
1803 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1804 http://127.0.0.1:43731/assets/select2.png - Failed to load resource: the server responded with a status of 404 (Not Found)
1805 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1806 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1807 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1808 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1809 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1810 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1811 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1812 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1813 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1814 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1815 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1816 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1817 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1818 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1819 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1820 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1821 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1822 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1823 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1824 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1825 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1826 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1827 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1828 webpack-internal:///../../../ee/app/assets/javascripts/prometheus_alerts/index.js 7:23 Uncaught TypeError: Cannot read property 'dataset' of null
1829 webpack-internal:///../../../ee/app/assets/javascripts/prometheus_alerts/index.js 7:23 Uncaught TypeError: Cannot read property 'dataset' of null
1830 webpack-internal:///../../../ee/app/assets/javascripts/prometheus_alerts/index.js 7:23 Uncaught TypeError: Cannot read property 'dataset' of null
1831 webpack-internal:///../../../ee/app/assets/javascripts/prometheus_alerts/index.js 7:23 Uncaught TypeError: Cannot read property 'dataset' of null
1832 webpack-internal:///../../../ee/app/assets/javascripts/prometheus_alerts/index.js 7:23 Uncaught TypeError: Cannot read property 'dataset' of null
1833 webpack-internal:///../../../ee/app/assets/javascripts/prometheus_alerts/index.js 7:23 Uncaught TypeError: Cannot read property 'dataset' of null
1834 http://127.0.0.1:43731/assets/select2.png - Failed to load resource: the server responded with a status of 404 (Not Found)
1835 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1836 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1837 webpack-internal:///../../../node_modules/vue/dist/vue.esm.js 628:14 "[Vue warn]: Invalid prop: type check failed for prop \"editable\". Expected Boolean, got Null \n\nfound in\n\n---> \u003CAssigneeTitle> at sidebar/components/assignees/assignee_title.vue\n       \u003CSidebarAssignees> at sidebar/components/assignees/sidebar_assignees.vue\n         \u003CRoot>"
1838 webpack-internal:///../../../node_modules/vue/dist/vue.esm.js 628:14 "[Vue warn]: Invalid prop: type check failed for prop \"isEditable\". Expected Boolean, got Null \n\n(found in \u003CRoot>)"
1839 webpack-internal:///../../../node_modules/vue/dist/vue.esm.js 628:14 "[Vue warn]: Invalid prop: type check failed for prop \"editable\". Expected Boolean, got Null \n\nfound in\n\n---> \u003CAssigneeTitle> at sidebar/components/assignees/assignee_title.vue\n       \u003CSidebarAssignees> at sidebar/components/assignees/sidebar_assignees.vue\n         \u003CRoot>"
1840 webpack-internal:///../../../node_modules/vue/dist/vue.esm.js 628:14 "[Vue warn]: Invalid prop: type check failed for prop \"isEditable\". Expected Boolean, got Null \n\n(found in \u003CRoot>)"
1841 webpack-internal:///../../../node_modules/vue/dist/vue.esm.js 628:14 "[Vue warn]: Invalid prop: type check failed for prop \"editable\". Expected Boolean, got Null \n\nfound in\n\n---> \u003CAssigneeTitle> at sidebar/components/assignees/assignee_title.vue\n       \u003CSidebarAssignees> at sidebar/components/assignees/sidebar_assignees.vue\n         \u003CRoot>"
1842 webpack-internal:///../../../node_modules/vue/dist/vue.esm.js 628:14 "[Vue warn]: Invalid prop: type check failed for prop \"isEditable\". Expected Boolean, got Null \n\n(found in \u003CRoot>)"
1843 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1844 webpack-internal:///../../../node_modules/@gitlab/ui/dist/index.js 863:36 "Icon sizes 1 - 5 are deprecated, please use 'sm', 'md' and 'lg' instead."
1845 RSpec::Retry: 2nd try ./spec/features/projects/branches/user_deletes_branch_spec.rb:14
1846 WARN: Screenshot could not be saved. `page.current_path` is empty.
1847 2nd Try error in ./spec/features/projects/branches/user_deletes_branch_spec.rb:14:
1848 Couldn't find User with 'id'=474
1849 RSpec::Retry: 3rd try ./spec/features/projects/branches/user_deletes_branch_spec.rb:14
1850 WARN: Screenshot could not be saved. `page.current_path` is empty.
1851 3rd Try error in ./spec/features/projects/branches/user_deletes_branch_spec.rb:14:
1852 Couldn't find User with 'id'=474
1853 RSpec::Retry: 4th try ./spec/features/projects/branches/user_deletes_branch_spec.rb:14
1854 WARN: Screenshot could not be saved. `page.current_path` is empty.

Another different failure:

1998 User deletes branch
1999 1st Try error in ./spec/features/projects/branches/user_deletes_branch_spec.rb:16:
2000 expected to find non-visible css ".js-branch-improve\\/awesome" but there were no matches. Also found "improve/awesome\nmerged\n5937ac0a · Add submodule from gitlab.com · 5 years ago\n24\n0\nMerge requestCompare\nSelect Archive Format", which matched the selector but not all filters. 
2001 unexpected response, code=404, content-type="text/plain"
2002 unknown command: session/ecc8ac275fd66417129af5ec7e81c20a/se/log
2003 RSpec::Retry: 2nd try ./spec/features/projects/branches/user_deletes_branch_spec.rb:16
2004 2nd Try error in ./spec/features/projects/branches/user_deletes_branch_spec.rb:16:
2005 Unable to find css ".js-branch-improve\\/awesome"
2006 unexpected response, code=404, content-type="text/plain"
2007 unknown command: session/ecc8ac275fd66417129af5ec7e81c20a/se/log
2008 RSpec::Retry: 3rd try ./spec/features/projects/branches/user_deletes_branch_spec.rb:16
2009 3rd Try error in ./spec/features/projects/branches/user_deletes_branch_spec.rb:16:
2010 Unable to find css ".js-branch-improve\\/awesome"
2011 unexpected response, code=404, content-type="text/plain"
2012 unknown command: session/ecc8ac275fd66417129af5ec7e81c20a/se/log
2013 RSpec::Retry: 4th try ./spec/features/projects/branches/user_deletes_branch_spec.rb:16
2014   deletes branch (FAILED - 1)
2015   HTML screenshot: /builds/gitlab-org/gitlab/tmp/capybara/screenshot_2020-01-09-18-18-26.582.html
2016   Image screenshot: /builds/gitlab-org/gitlab/tmp/capybara/screenshot_2020-01-09-18-18-26.582.png

screenshot_2020-01-09-18-18-26.582.html