feat(tests): add e2e tests for widgets (#8735)

* test(e2e): add baseline for widget tests

* chore(repo): enable test running in branch

* fix(e2e): set viewport for widget tests

* fix(client): add widget identifier classes to widgets

* test(e2e): add memo widget test

* fix(tests): force select value

* fix(tests): force button press for widget addition

* fix(tests): invoke select value differently

* fix(tests): adjust widget submit

* fix(tests): don't explicitly navigate for widget test

* fix(tests): click label to hide select popup

* fix(tests): just click modal background

* fix(tests): adjust modal background selector

* fix(tests): click all modal backgrounds

* feat(e2e): add test for adding timeline widget

* fix(client): add more widget identifier classes

* feat(tests): add method abstraction for test cases

* fix(tests): force-click overlays

* fix(tests): force widget button press

* fix(tests): remove timeout from final widget check

* feat(tests): add widget removal test case

* fix(client): use mk instead of msky as class prefix

* fix(tests): check widgets for existence rather than visibility

* chore(meta): don't run tests for specific feature branch

packages/client/src/widgets/notifications.vue

@@ -1,5 +1,5 @@
 <template>
-<MkContainer :style="`height: ${widgetProps.height}px;`" :show-header="widgetProps.showHeader" :scrollable="true">
+<MkContainer :style="`height: ${widgetProps.height}px;`" :show-header="widgetProps.showHeader" :scrollable="true" class="mkw-notifications">
 	<template #header><i class="fas fa-bell"></i>{{ $ts.notifications }}</template>
 	<template #func><button class="_button" @click="configureNotification()"><i class="fas fa-cog"></i></button></template>