Merge pull request #15883 from RasmusWL/js-cg-tests

JS: show test changes after #15823

javascript/ql/test/library-tests/TypeTracking/TypeTracking.expected

@@ -0,0 +1 @@
+

javascript/ql/test/library-tests/TypeTracking/implicit-receiver.js

@@ -0,0 +1,27 @@
+import 'dummy';
+
+let trackedProp = "implicit-receiver-prop"; // name: implicit-receiver-prop
+
+function factory() {
+    let obj = unknown(); // name: implicit-receiver-obj
+    obj.foo = function() {
+        track(this); // track: implicit-receiver-obj
+        track(this.x); // track: implicit-receiver-obj track: implicit-receiver-prop
+    }
+    return obj;
+}
+let obj = factory();
+obj.x = trackedProp;
+
+
+function factory2() {
+    let obj2 = { // name: implicit-receiver-obj2
+        foo: function() {
+            track(this); // track: implicit-receiver-obj2
+            track(this.x); // track: implicit-receiver-obj2 track: implicit-receiver-prop
+        }
+    }
+    return obj2;
+}
+let obj2 = factory2()
+obj2.x = trackedProp;