CEC-2970: Multiple Superset Dashboards (#229)

Co-authored-by: Alexander Andrews <aandrews@fiskerinc.com>

src/services/__mocks__/superset.js

@@ -0,0 +1,13 @@
+const SupersetAPI = {
+  getEmbeddedDashboards: async () => {
+    return [{
+      title: "test title",
+      embedded_id: "00000000-0000-0000-0000-000000000000"
+    }]
+  },
+  SupersetDashboardID: () => {
+    return "11111100-0000-1111-1111-000000000000"
+  }
+}
+
+export default SupersetAPI