Unit test currentweather module:

Add roundValue unit test function currentweather module
	tests for this.config.roundTemp is true

tests/unit/functions/currentweather_spec.js

@@ -0,0 +1,45 @@
+var fs = require("fs");
+var path = require("path");
+var chai = require("chai");
+var expect = chai.expect;
+var vm = require("vm");
+
+
+describe("Functions module currentweather", function() {
+
+	// Fake for use by calendar.js
+	Module = {}
+	Module.definitions = {};
+	Module.register = function (name, moduleDefinition) {
+		Module.definitions[name] = moduleDefinition;
+	};
+	config = {};
+
+	describe("roundValue", function() {
+		describe("this.config.roundTemp is true", function() {
+			// load currentweather
+			require("../../../modules/default/currentweather/currentweather.js");
+
+			Module.definitions.currentweather.config = {};
+			Module.definitions.currentweather.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.currentweather.roundValue(value[0])).to.equal(value[1]);
+				});
+			});
+		});
+	});
+});