fix: e2e tests (#22807)

* fix: e2e tests

* add more fix

* fixed_custom_categories

---------

Co-authored-by: Furqan Malik <furqan.malik@mattermost.com>
Co-authored-by: Mattermost Build <build@mattermost.com>

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

@@ -176,7 +176,7 @@ describe('Integrations', () => {
             // # Post "/marketplace" as SystemAdmin
             cy.postMessage('/marketplace ');
 
-            cy.get('#modal_marketplace').should('be.visible');
+            cy.findByRole('heading', {name: 'App Marketplace'}).should('be.visible');
         });
     });
 });