same typescript version for every package, added test deps to demobank

packages/demobank-ui/package.json

@@ -3,9 +3,12 @@
   "name": "@gnu-taler/demobank-ui",
   "version": "0.1.0",
   "license": "AGPL-3.0-OR-LATER",
+  "type": "module",
   "scripts": {
     "build": "./build.mjs",
     "check": "tsc",
+    "compile": "tsc && ./build.mjs",
+    "test": "pnpm compile && mocha --require source-map-support/register 'dist/**/test.js'",
     "lint": "eslint 'src/**/*.{js,jsx,ts,tsx}'",
     "i18n:extract": "pogen extract",
     "i18n:merge": "pogen merge",
@@ -41,17 +44,23 @@
   "devDependencies": {
     "@creativebulma/bulma-tooltip": "^1.2.0",
     "@gnu-taler/pogen": "^0.0.5",
+    "@types/chai": "^4.3.0",
     "@types/history": "^4.7.8",
+    "@types/mocha": "^10.0.1",
+    "@types/node": "^18.11.14",
     "@typescript-eslint/eslint-plugin": "^5.41.0",
     "@typescript-eslint/parser": "^5.41.0",
+    "async_hooks": "^1.0.0",
     "bulma": "^0.9.4",
     "bulma-checkbox": "^1.1.1",
     "bulma-radio": "^1.1.1",
+    "chai": "^4.3.6",
     "esbuild": "^0.15.12",
     "eslint-config-preact": "^1.2.0",
+    "mocha": "^9.2.0",
     "po2json": "^0.4.5",
     "sass": "1.56.1",
-    "typescript": "^4.4.4"
+    "typescript": "4.8.4"
   },
   "pogen": {
     "domain": "bank"

packages/merchant-backoffice-ui/package.json

@@ -104,7 +104,7 @@
     "script-ext-html-webpack-plugin": "^2.1.5",
     "sirv-cli": "^1.0.11",
     "typedoc": "^0.20.36",
-    "typescript": "4.4.4"
+    "typescript": "4.8.4"
   },
   "jest": {
     "preset": "jest-preset-preact",