added test tracking event

pages/[...filename].tsx

@@ -3,6 +3,7 @@ import { componentRenderer } from "@/components/blocks/mdxComponentRenderer";
 import { useAppInsightsContext } from "@microsoft/applicationinsights-react-js";
 import { InferGetStaticPropsType } from "next";
 import { useReportWebVitals } from "next/web-vitals";
+import { useEffect } from "react";
 import { tinaField, useTina } from "tinacms/dist/react";
 import { TinaMarkdown } from "tinacms/dist/rich-text";
 import { client } from "../.tina/__generated__/client";
@@ -41,6 +42,12 @@ export default function HomePage(
     }
   });
 
+  useEffect(() => {
+    appInsights.trackMetric({ name: "TEST_EVENT", average: 42 }, {});
+    // eslint-disable-next-line no-console
+    console.log("appInsights", appInsights);
+  }, [appInsights]);
+
   // Here due to components attempting to access pageBlock items before
   // they are initialised
   if (!pageBlocks) {