CLD-7841 Optimize E2E testing costs (#27883)

* Utilize free runners for E2E tests, report back to PR on run completion
* Increase test stability on smaller instances
* Merge worker reports
* merge start+prepare steps
* upgrade keycloak
* increase test timeouts
* Add video recording to report artifacts

Co-authored-by: Saturnino Abril <5334504+saturninoabril@users.noreply.github.com>

---------

Co-authored-by: Saturnino Abril <5334504+saturninoabril@users.noreply.github.com>

e2e-tests/cypress/tests/integration/channels/integrations/builtin_commands/common_commands_1_spec.js

@@ -87,8 +87,7 @@ describe('Integrations', () => {
         // # Type "/echo message 3"
         cy.uiGetPostTextBox().clear().type(`/echo ${message} 3{enter}`);
 
-        // * Verify that post is not shown after 1 second
-        cy.wait(TIMEOUTS.ONE_SEC);
+        // * Verify that post is not shown after pressing enter
         cy.getLastPost().within(() => {
             cy.findByText(message).should('not.exist');
         });

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

@@ -84,7 +84,8 @@ describe('Integrations', () => {
         loginAndVisitChannel(testUser, testChannelUrl);
 
         // # In a GM use the /invite command to invite a user to a channel you have permission to add them to but place extra white space before the username
-        cy.postMessage(`/groupmsg @${member1.username} @${member2.username} `);
+        cy.postMessage(`/groupmsg @${member1.username},@${member2.username} `);
+        cy.uiGetChannelHeaderButton().contains(member1.username).contains(member2.username);
         cy.postMessage(`/invite        @${userToInviteGM.username} ~${testChannel.name} `);
 
         // * User added to channel as expected
@@ -133,7 +134,9 @@ describe('Integrations', () => {
         loginAndVisitChannel(testUser, testChannelUrl);
 
         // # In a GM Use the /invite command to invite a channel to another channel (e.g., /invite @[channel name])
-        cy.postMessage(`/groupmsg @${member1.username} @${member2.username} `);
+        cy.postMessage(`/groupmsg @${member1.username},@${member2.username} `);
+        cy.uiGetChannelHeaderButton().contains(member1.username).contains(member2.username);
+        cy.reload(); // Required for Cypress to write in the right channel
         cy.postMessage(`/invite @${testChannel.name} `);
 
         // * Error appears: "We couldn't find the user. They may have been deactivated by the System Administrator."
@@ -159,7 +162,9 @@ describe('Integrations', () => {
         loginAndVisitChannel(testUser, testChannelUrl);
 
         // # In a GM use the /invite command to invite someone to a channel they're already a member of
-        cy.postMessage(`/groupmsg @${member1.username} @${member2.username} `);
+        cy.postMessage(`/groupmsg @${member1.username},@${member2.username} `);
+        cy.uiGetChannelHeaderButton().contains(member1.username).contains(member2.username);
+        cy.reload(); // Required for Cypress to write in the right channel
         cy.postMessage(`/invite @${userToInvite.username} ~${testChannel.name} `);
 
         // * Error appears: "[username] is already in the channel"