fix: vitest workspace is deprecated

relocate tests into vite.config.ts

Signed-off-by: Gordon Smith <GordonJSmith@gmail.com>

Author: GordonSmith

demos/gallery/vitest.workspace.ts

@@ -1,7 +1,10 @@
 import { resolve } from "node:path";
-import { createHpccViteConfig } from "@hpcc-js/esbuild-plugins";
+import { createHpccViteConfig, browserConfig, nodeConfig } from "@hpcc-js/esbuild-plugins";
 import pkg from "./package.json" with { type: "json" };
 
+browserConfig.test!.root = resolve(__dirname);
+nodeConfig.test!.root = resolve(__dirname);
+
 export default createHpccViteConfig(pkg, {
     configOverrides: {
         root: resolve(__dirname, ".."),
@@ -10,6 +13,9 @@ export default createHpccViteConfig(pkg, {
             lib: {
                 entry: resolve(__dirname, "src/index.ts"),
             }
+        },
+        test: {
+            projects: [browserConfig]
         }
     }
 });