Live: Add dashboard E2E smoke test (#79880)

e2e/dashboards-suite/dashboard-live-streaming.spec.ts

@@ -0,0 +1,16 @@
+import testDashboard from '../dashboards/DashboardLiveTest.json';
+import { e2e } from '../utils';
+
+describe('Dashboard Live streaming support', () => {
+  beforeEach(() => {
+    e2e.flows.login(Cypress.env('USERNAME'), Cypress.env('PASSWORD'));
+    e2e.flows.importDashboard(testDashboard, 1000);
+  });
+
+  it('Should receive streaming data', () => {
+    e2e.flows.openDashboard({ uid: 'live-e2e-test' });
+    cy.wait(1000);
+    e2e.components.Panels.Panel.title('Live').should('exist');
+    e2e.components.Panels.Visualization.Table.body().find('[role="row"]').should('have.length.at.least', 5);
+  });
+});

e2e/dashboards/DashboardLiveTest.json

@@ -0,0 +1,107 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": {
+          "type": "grafana",
+          "uid": "-- Grafana --"
+        },
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 0,
+  "links": [],
+  "liveNow": false,
+  "panels": [
+    {
+      "datasource": {
+        "type": "datasource",
+        "uid": "grafana"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {
+            "align": "auto",
+            "cellOptions": {
+              "type": "auto"
+            },
+            "inspect": false
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 0
+      },
+      "id": 1,
+      "options": {
+        "cellHeight": "sm",
+        "footer": {
+          "countRows": false,
+          "fields": "",
+          "reducer": ["sum"],
+          "show": false
+        },
+        "showHeader": true
+      },
+      "pluginVersion": "10.3.0-pre",
+      "targets": [
+        {
+          "channel": "plugin/testdata/random-20Hz-stream",
+          "datasource": {
+            "type": "datasource",
+            "uid": "grafana"
+          },
+          "queryType": "measurements",
+          "refId": "A"
+        }
+      ],
+      "title": "Live",
+      "type": "table"
+    }
+  ],
+  "refresh": "",
+  "schemaVersion": 39,
+  "tags": [],
+  "templating": {
+    "list": []
+  },
+  "time": {
+    "from": "now-6h",
+    "to": "now"
+  },
+  "timepicker": {},
+  "timezone": "",
+  "title": "New dashboard",
+  "version": 0,
+  "uid": "live-e2e-test",
+  "weekStart": ""
+}