Add test module position using helloworld

Also is using a configuration with "exotic content"

tests/configs/modules/positions.js

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+/* Magic Mirror Test config for position setters module
+ *
+ * For this case is using helloworld module
+ *
+ * By Rodrigo Ramírez Norambuena https://rodrigoramirez.com
+ * MIT Licensed.
+ */
+
+
+var config = {
+	port: 8080,
+	ipWhitelist: ["127.0.0.1", "::ffff:127.0.0.1", "::1"],
+	ipWhitelist: [],
+
+	language: "en",
+	timeFormat: 24,
+	units: "metric",
+	electronOptions: {
+		webPreferences: {
+			nodeIntegration: true,
+		},
+	},
+	modules:
+		// Using exotic content. This is why dont accept go to JSON configuration file
+		(function() {
+			var positions = ["top_bar", "top_left", "top_center", "top_right", "upper_third",
+			"middle_center", "lower_third", "bottom_left", "bottom_center", "bottom_right",
+			"bottom_bar", "fullscreen_above", "fullscreen_below"];
+			var modules = Array();
+			for (idx in positions) {
+				modules.push({
+					module: "helloworld",
+					position: positions[idx],
+					config: {
+						text: "Text in " + positions[idx]
+					}
+				});
+			}
+			return modules;
+		})(),
+};
+/*************** DO NOT EDIT THE LINE BELOW ***************/
+if (typeof module !== "undefined") {module.exports = config;}

tests/e2e/modules_position_spec.js

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+const globalSetup = require("./global-setup");
+const app = globalSetup.app;
+const chai = require("chai");
+const expect = chai.expect;
+
+describe("Position of modules", function () {
+	this.timeout(20000);
+
+
+	beforeEach(function (done) {
+		app.start().then(function() { done(); } );
+	});
+
+	afterEach(function (done) {
+		app.stop().then(function() { done(); });
+	});
+
+
+	describe("Using helloworld", function() {
+
+		before(function() {
+			// Set config sample for use in test
+			process.env.MM_CONFIG_FILE = "tests/configs/modules/positions.js";
+		});
+
+		var positions = ["top_bar", "top_left", "top_center", "top_right", "upper_third",
+			"middle_center", "lower_third", "bottom_left", "bottom_center", "bottom_right",
+			"bottom_bar", "fullscreen_above", "fullscreen_below"];
+
+		var position;
+		var className;
+		for (idx in positions) {
+			position = positions[idx];
+			className = position.replace("_", ".");
+			it("show text in " + position , function () {
+				return app.client.waitUntilWindowLoaded()
+					.getText("." + className).should.eventually.equal("Text in " + position);
+			});
+		}
+	});
+
+});