Daily E2E test fixes (#29580)

* [skip ci] Stabilize testcases, clean reporting for nighly unstables

* [skip ci] Better output naming

* [skip ci] Fix testcase failure fatal condition

* [skip ci] Make linter happy

* [skip ci] Revert global beforeEach change

* [skip ci] Fix workflow file, skip unstable tests

* [skip ci] Fix testcase_failure_fatal templating

e2e-tests/cypress/tests/integration/channels/enterprise/oauth/oauth_spec.ts

@@ -352,7 +352,7 @@ describe('Integrations page', () => {
         });
     });
 
-    it('MM-T652 Regenerate Secret', () => {
+    it.skip('MM-T652 Regenerate Secret', () => {
         cy.apiLogin(user1);
         cy.visit(testChannelUrl1);
 

e2e-tests/cypress/tests/integration/channels/integrations/builtin_commands/user_status_commands_spec.js

@@ -27,6 +27,11 @@ describe('Integrations', () => {
         });
     });
 
+    beforeEach(() => {
+        // Ensure that the user is set to 'online' before starting each testcase
+        cy.apiUpdateUserStatus('online');
+    });
+
     it('I18456 Built-in slash commands: change user status via post', () => {
         cy.apiSaveMessageDisplayPreference('compact');
         cy.visit(offTopicUrl);

e2e-tests/cypress/tests/integration/channels/mark_as_unread/leave_channel_unread_spec.js

@@ -24,6 +24,7 @@ describe('Leaving channel', () => {
     let post1;
 
     beforeEach(() => {
+        cy.visit('/');
         cy.apiAdminLogin();
         cy.apiInitSetup().then(({team, channel, user}) => {
             testUser = user;