set output.asyncChunks=false in webpack tests

no ChunkLoadError is possible then.

Author: dynst

packages/socket/webpack.web.config.cjs

@@ -12,6 +12,7 @@ module.exports = [
     target: target,
     entry: globSync("./build/**/*.spec.js", { dotRelative: true }).sort(),
     output: {
+      asyncChunks: false,
       path: distdir,
       filename: "tests.js",
     },