Fix npm test runner on Windows

package.json

@@ -27,7 +27,7 @@
     "cover": "nyc --reporter=html --reporter=text npm test",
     "dependencies": "docker-compose up -d BGLd BGLd-ssl BGLd-username-only",
     "lint": "eslint src test",
-    "test": "NODE_ENV=test mocha $npm_package_options_mocha",
+    "test": "node test/run-mocha.js",
     "testdocker": "docker-compose run --rm sut",
     "version": "npm run changelog --future-release=$npm_package_version && git add -A CHANGELOG.md"
   },

test/run-mocha.js

@@ -0,0 +1,26 @@
+'use strict';
+
+const path = require('path');
+const { spawnSync } = require('child_process');
+
+process.env.NODE_ENV = 'test';
+
+const mochaBin = path.join(__dirname, '..', 'node_modules', 'mocha', 'bin', 'mocha');
+const result = spawnSync(process.execPath, [
+  mochaBin,
+  '--timeout',
+  '20000',
+  '--recursive',
+  '--require',
+  'should'
+].concat(process.argv.slice(2)), {
+  cwd: path.join(__dirname, '..'),
+  env: process.env,
+  stdio: 'inherit'
+});
+
+if (result.error) {
+  throw result.error;
+}
+
+process.exit(result.status === null ? 1 : result.status);