[FEATURE] Integrate execution without htmlrunner

BREAKING CHANGE:
The `useMockServer` option has been removed.
A MockServer needs to be started from the test code.

lib/client/autorun.js

@@ -0,0 +1,25 @@
+(function (window) {
+
+	var karma = window.__karma__;
+	var config = karma.config;
+	var ui5config = (config && config.ui5) || {};
+	var ui5configTests = ui5config.tests;
+
+	if (!ui5configTests) {
+		// No tests defined - skipping autorun...
+		// Tests must be loaded manually
+		return;
+	}
+
+	// Prevent Karma from running prematurely.
+	karma.loaded = function () { };
+
+	sap.ui.getCore().attachInit(function () {
+		sap.ui.require(ui5configTests, function () {
+			// Finally, start Karma to run the tests.
+			karma.start();
+		});
+
+	});
+
+})(window);

lib/client/sap-ui-config.js

@@ -0,0 +1,7 @@
+(function(window) {
+	var config = window.__karma__.config,
+	ui5config = (config && config.ui5) || {},
+	bootstrapConfig = ui5config.config || {};
+
+	window["sap-ui-config"] = bootstrapConfig;
+})(window);

lib/framework.js

@@ -77,6 +77,23 @@ class Framework {
 		return path.split("/").slice(0, -1).concat(replacement).join("/")
 	}
 
+	checkLegacy(config) {
+		if(config.openui5 || config.client.openui5) {
+			throw Error("Please migrate your configuration https://github.com/SAP/karma-ui5");
+		}
+	}
+
+	initWithoutHTMLRunner(config) {
+		config.client.ui5.config = config.ui5.config;
+		config.client.ui5.tests = config.ui5.tests;
+		if(config.ui5.tests) {
+			config.files.unshift(this.createPluginFilesPattern(`${__dirname}/client/autorun.js`));
+		}
+		config.files.unshift(this.createPluginFilesPattern(`${config.ui5.url}/resources/sap-ui-core.js`));
+		config.files.unshift(this.createPluginFilesPattern(`${__dirname}/client/sap-ui-config.js`));
+
+	}
+
 	init(config) {
 		this.config = config;
 		this.config.basePath = config.basePath || "";
@@ -94,6 +111,13 @@ class Framework {
 			test: "test"
 		};
 
+		this.checkLegacy(config);
+
+		if(this.config.ui5.htmlrunner === false) {
+			this.initWithoutHTMLRunner(config);
+			return this;
+		}
+
 		const webappFolder = this.config.ui5.paths.webapp,
 			 srcFolder = this.config.ui5.paths.src,
 			testFolder = this.config.ui5.paths.test;