[Security Solution][Explore] Cypress last adjustments for MKI (elasti…

…c#179180)

## Summary

After executing the tests at the MKI pipeline I saw that:
- One test was failing because in cloud there is a default SMTP
connector that cannot be deleted, and we were trying to do so.
- Author name when creating a case, is different.

In this PR we are fixing the above.

x-pack/test/security_solution_cypress/cypress/e2e/explore/cases/creation.cy.ts

@@ -52,9 +52,13 @@ import { login } from '../../../tasks/login';
 import { visit, visitWithTimeRange } from '../../../tasks/navigation';
 
 import { CASES_URL, OVERVIEW_URL } from '../../../urls/navigation';
-import { ELASTICSEARCH_USERNAME } from '../../../env_var_names_constants';
+import { CLOUD_SERVERLESS, ELASTICSEARCH_USERNAME } from '../../../env_var_names_constants';
 import { deleteCases } from '../../../tasks/api_calls/cases';
 
+// https://github.com/elastic/kibana/issues/179231
+const isCloudServerless = Cypress.env(CLOUD_SERVERLESS);
+const username = isCloudServerless ? 'admin' : Cypress.env(ELASTICSEARCH_USERNAME);
+
 // Tracked by https://github.com/elastic/security-team/issues/7696
 describe('Cases', { tags: ['@ess', '@serverless'] }, () => {
   beforeEach(() => {
@@ -109,12 +113,8 @@ describe('Cases', { tags: ['@ess', '@serverless'] }, () => {
       'have.text',
       `${this.mycase.description} ${this.mycase.timeline.title}`
     );
-    cy.get(CASE_DETAILS_USERNAMES)
-      .eq(REPORTER)
-      .should('contain', Cypress.env(ELASTICSEARCH_USERNAME));
-    cy.get(CASE_DETAILS_USERNAMES)
-      .eq(PARTICIPANTS)
-      .should('contain', Cypress.env(ELASTICSEARCH_USERNAME));
+    cy.get(CASE_DETAILS_USERNAMES).eq(REPORTER).should('contain', username);
+    cy.get(CASE_DETAILS_USERNAMES).eq(PARTICIPANTS).should('contain', username);
     cy.get(CASE_DETAILS_TAGS).should('have.text', expectedTags);
 
     EXPECTED_METRICS.forEach((metric) => {

x-pack/test/security_solution_cypress/cypress/tasks/api_calls/common.ts

@@ -23,6 +23,8 @@ export const API_HEADERS = Object.freeze({
   [ELASTIC_HTTP_VERSION_HEADER]: [INITIAL_REST_VERSION],
 });
 
+export const INTERNAL_CLOUD_CONNECTORS = ['Elastic-Cloud-SMTP'];
+
 export const rootRequest = <T = unknown>({
   headers: optionHeaders,
   ...restOptions
@@ -108,10 +110,12 @@ export const deleteConnectors = () => {
         return connector.id;
       });
       ids.forEach((id) => {
-        rootRequest({
-          method: 'DELETE',
-          url: `api/actions/connector/${id}`,
-        });
+        if (!INTERNAL_CLOUD_CONNECTORS.includes(id)) {
+          rootRequest({
+            method: 'DELETE',
+            url: `api/actions/connector/${id}`,
+          });
+        }
       });
     }
   });