diff --git a/tests/e2e/modules/alert_spec.js b/tests/e2e/modules/alert_spec.js
index 750559a5..515001bf 100644
--- a/tests/e2e/modules/alert_spec.js
+++ b/tests/e2e/modules/alert_spec.js
@@ -29,5 +29,9 @@ describe("Alert module", function () {
 			// Set config sample for use in test
 			process.env.MM_CONFIG_FILE = "tests/configs/modules/alert/default.js";
 		});
+
+		it("should show the welcome message", function () {
+			return app.client.waitUntilTextExists(".ns-box .ns-box-inner .light.bright.small", "Welcome, start was successful!", 10000);
+		});
 	});
 });
diff --git a/tests/e2e/modules/weather_spec.js b/tests/e2e/modules/weather_spec.js
index d2fe4ba1..70c88512 100644
--- a/tests/e2e/modules/weather_spec.js
+++ b/tests/e2e/modules/weather_spec.js
@@ -257,6 +257,22 @@ describe("Weather module", function () {
 			before(function () {
 				process.env.MM_CONFIG_FILE = "tests/configs/modules/weather/forecastweather_options.js";
 			});
+
+			it("should render custom table class", async function () {
+				const weather = generateWeatherForecast();
+				await setup({ template, data: weather });
+
+				await getElement(".weather table.myTableClass");
+			});
+
+			it("should render colored rows", async function () {
+				const weather = generateWeatherForecast();
+				await setup({ template, data: weather });
+
+				const rows = await app.client.$$(".weather table.myTableClass tr.colored");
+
+				expect(rows.length).to.be.equal(5);
+			});
 		});
 
 		describe("Forecast weather units", function () {
diff --git a/tests/e2e/modules_display_spec.js b/tests/e2e/modules_display_spec.js
new file mode 100644
index 00000000..3dfcf26f
--- /dev/null
+++ b/tests/e2e/modules_display_spec.js
@@ -0,0 +1,41 @@
+const helpers = require("./global-setup");
+
+const describe = global.describe;
+const it = global.it;
+
+describe("Display of modules", function () {
+	helpers.setupTimeout(this);
+
+	var app = null;
+
+	beforeEach(function () {
+		return helpers
+			.startApplication({
+				args: ["js/electron.js"]
+			})
+			.then(function (startedApp) {
+				app = startedApp;
+			});
+	});
+
+	afterEach(function () {
+		return helpers.stopApplication(app);
+	});
+
+	describe("Using helloworld", function () {
+		before(function () {
+			// Set config sample for use in test
+			process.env.MM_CONFIG_FILE = "tests/configs/modules/display.js";
+		});
+
+		it("should show the test header", async () => {
+			const elem = await app.client.$("#module_0_helloworld .module-header", 10000);
+			return elem.getText("#module_0_helloworld .module-header").should.eventually.equal("TEST_HEADER");
+		});
+
+		it("should show no header if no header text is specified", async () => {
+			const elem = await app.client.$("#module_1_helloworld .module-header", 10000);
+			return elem.getText("#module_1_helloworld .module-header").should.eventually.equal(false);
+		});
+	});
+});
diff --git a/tests/unit/classes/class_spec.js b/tests/unit/classes/class_spec.js
new file mode 100644
index 00000000..b1af5c67
--- /dev/null
+++ b/tests/unit/classes/class_spec.js
@@ -0,0 +1,109 @@
+const expect = require("chai").expect;
+const path = require("path");
+const { JSDOM } = require("jsdom");
+
+describe("File js/class", function () {
+	describe("Test function cloneObject", function () {
+		let clone;
+		let dom;
+
+		before(function (done) {
+			dom = new JSDOM(
+				`<script>var Log = {log: function() {}};</script>\
+					<script src="file://${path.join(__dirname, "..", "..", "..", "js", "class.js")}">`,
+				{ runScripts: "dangerously", resources: "usable" }
+			);
+			dom.window.onload = function () {
+				const { cloneObject } = dom.window;
+				clone = cloneObject;
+				done();
+			};
+		});
+
+		it("should clone object", function () {
+			const expected = { name: "Rodrigo", web: "https://rodrigoramirez.com", project: "MagicMirror" };
+			const obj = clone(expected);
+			expect(obj).to.deep.equal(expected);
+			expect(expected === obj).to.equal(false);
+		});
+
+		it("should clone array", function () {
+			const expected = [1, null, undefined, "TEST"];
+			const obj = clone(expected);
+			expect(obj).to.deep.equal(expected);
+			expect(expected === obj).to.equal(false);
+		});
+
+		it("should clone number", function () {
+			let expected = 1;
+			let obj = clone(expected);
+			expect(obj).to.equal(expected);
+
+			expected = 1.23;
+			obj = clone(expected);
+			expect(obj).to.equal(expected);
+		});
+
+		it("should clone string", function () {
+			const expected = "Perfect stranger";
+			const obj = clone(expected);
+			expect(obj).to.equal(expected);
+		});
+
+		it("should clone undefined", function () {
+			const expected = undefined;
+			const obj = clone(expected);
+			expect(obj).to.equal(expected);
+		});
+
+		it("should clone null", function () {
+			const expected = null;
+			const obj = clone(expected);
+			expect(obj).to.equal(expected);
+		});
+
+		it("should clone nested object", function () {
+			const expected = {
+				name: "fewieden",
+				link: "https://github.com/fewieden",
+				versions: ["2.0", "2.1", "2.2"],
+				answerForAllQuestions: 42,
+				properties: {
+					items: [{ foo: "bar" }, { lorem: "ipsum" }],
+					invalid: undefined,
+					nothing: null
+				}
+			};
+			const obj = clone(expected);
+			expect(obj).to.deep.equal(expected);
+			expect(expected === obj).to.equal(false);
+			expect(expected.versions === obj.versions).to.equal(false);
+			expect(expected.properties === obj.properties).to.equal(false);
+			expect(expected.properties.items === obj.properties.items).to.equal(false);
+			expect(expected.properties.items[0] === obj.properties.items[0]).to.equal(false);
+			expect(expected.properties.items[1] === obj.properties.items[1]).to.equal(false);
+		});
+
+		describe("Test lockstring code", function () {
+			let log;
+
+			before(function () {
+				log = dom.window.Log.log;
+				dom.window.Log.log = function cmp(str) {
+					expect(str).to.equal("lockStrings");
+				};
+			});
+
+			after(function () {
+				dom.window.Log.log = log;
+			});
+
+			it("should clone object and log lockStrings", function () {
+				const expected = { name: "Module", lockStrings: "stringLock" };
+				const obj = clone(expected);
+				expect(obj).to.deep.equal(expected);
+				expect(expected === obj).to.equal(false);
+			});
+		});
+	});
+});
diff --git a/tests/unit/functions/weatherforecast_spec.js b/tests/unit/functions/weatherforecast_spec.js
index c2dcb486..96ddc77f 100644
--- a/tests/unit/functions/weatherforecast_spec.js
+++ b/tests/unit/functions/weatherforecast_spec.js
@@ -15,6 +15,57 @@ describe("Functions module weatherforecast", function () {
 		Module.definitions.weatherforecast.config = {};
 	});
 
+	describe("roundValue", function () {
+		describe("this.config.roundTemp is true", function () {
+			before(function () {
+				Module.definitions.weatherforecast.config.roundTemp = true;
+			});
+
+			var values = [
+				// index 0 value
+				// index 1 expect
+				[1, "1"],
+				[1.0, "1"],
+				[1.02, "1"],
+				[10.12, "10"],
+				[2.0, "2"],
+				["2.12", "2"],
+				[10.1, "10"]
+			];
+
+			values.forEach((value) => {
+				it(`for ${value[0]} should be return ${value[1]}`, function () {
+					expect(Module.definitions.weatherforecast.roundValue(value[0])).to.equal(value[1]);
+				});
+			});
+		});
+
+		describe("this.config.roundTemp is false", function () {
+			before(function () {
+				Module.definitions.weatherforecast.config.roundTemp = false;
+			});
+
+			var values = [
+				// index 0 value
+				// index 1 expect
+				[1, "1.0"],
+				[1.0, "1.0"],
+				[1.02, "1.0"],
+				[10.12, "10.1"],
+				[2.0, "2.0"],
+				["2.12", "2.1"],
+				[10.1, "10.1"],
+				[10.1, "10.1"]
+			];
+
+			values.forEach((value) => {
+				it(`for ${value[0]} should be return ${value[1]}`, function () {
+					expect(Module.definitions.weatherforecast.roundValue(value[0])).to.equal(value[1]);
+				});
+			});
+		});
+	});
+
 	describe("forecastIcons", function () {
 		Log = {
 			error: function () {}