refactor test config

tests/configs/default.js

@@ -0,0 +1,21 @@
+let config = {
+	port: 8080,
+	ipWhitelist: ["127.0.0.1", "::ffff:127.0.0.1", "::1"],
+
+	language: "en",
+	timeFormat: 24,
+	units: "metric",
+	electronOptions: {
+		webPreferences: {
+			nodeIntegration: true,
+			enableRemoteModule: true,
+			contextIsolation: false
+		}
+	},
+
+	modules: []
+};
+
+if (typeof module !== "undefined") {
+	module.exports = config;
+}