Remove created datasource as tests' teardown

A new function is introduced in the 'helpers' module to remove the
previously-created datasource.
This is included in the teardown inside the tests' module.

Author: MatteoStifano

tests/cypress/e2e/helpers.ts

@@ -46,6 +46,20 @@ export function addCmkDatasource(
   cy.contains('Data source is working').should('be.visible');
 }
 
+export function rmCmkDatasource() {
+  // Remove the previously-created datasource as teardown process.
+  // This makes sure the tests use the newly generated datasource in each execution.
+  // Important especially when running the tests locally if docker images are up during multiple tests' executions.
+
+  cy.visit('/datasources/');
+
+  cy.get('[class="page-container page-body"]').contains('Checkmk').click();
+  cy.contains('Delete').click();
+  cy.get('button[aria-label="Confirm Modal Danger Button"]').click();
+
+  cy.contains('No data sources defined').should('be.visible');
+}
+
 export function saveDashboard(dashboardID: string) {
   cy.get('button[title="Apply changes and save dashboard"]').contains('Save').click();
   cy.get('input[aria-label="Save dashboard title field"]').type(' ' + dashboardID);

tests/cypress/e2e/spec.cy.ts

@@ -20,6 +20,7 @@ import {
   inputTemplateSelector,
   loginGrafana,
   panelContentSelector,
+  rmCmkDatasource,
   saveDashboard,
 } from './helpers';
 
@@ -174,6 +175,8 @@ describe('e2e tests', () => {
   });
 
   after(function () {
+    rmCmkDatasource();
+
     deleteCmkHost(hostName0);
     deleteCmkHost(hostName1);