tests: add speed tests to QUnit tests

See #2196.

browser/test/QUnit/testFiles/speed_test.js

+
+
+QUnit.test("Speed: many clones", function(assert) {
+    
+    var data = dataWithManyClones(42);
+    assert.equal(data["clones"].length, 42, "dataWithManyClones -> 42");
+});
+
+
+QUnit.test("Speed: without views", function(assert) {
+    
+    var m = new Model();
+
+    console.log(speedTest(m));
+    assert.equal(m.clones.length, 101, "");
+});
+
+QUnit.test("Speed: with views", function(assert) {
+
+    var m = new Model();
+    
+    var sp = new ScatterPlot("visu", m);
+    var segment = new Segment("segment", m);   
+    var list = new List("list", "data", m);
+    
+    console.log(speedTest(m));
+    assert.equal(m.clones.length, 101, "");
+});

browser/test/QUnit/test_Qunit.html

@@ -50,6 +50,7 @@
     <script type="text/javascript" src='../../js/pdf.js'></script>
     <script type="text/javascript" src='../../js/database.js' data-cover></script>
     <script type="text/javascript" src='../../js/tools.js' data-cover></script>
+    <script type="text/javascript" src='../../js/speed_test.js' data-cover></script>
 
     <script type="text/javascript" src="./testFiles/data_test.js"></script>
     <!-- needed to load form with jQuery -->
@@ -106,5 +107,6 @@
     <script src="./testFiles/tools_test.js"></script>
     <script src="./testFiles/germline_test.js"></script>
     <script src="./testFiles/model_loader_test.js"></script>
+    <script src="./testFiles/speed_test.js"></script>
 </body>
 </html>