JS: Add resolved promise taint test case

Author: asger-semmle

javascript/ql/test/library-tests/TaintTracking/BasicTaintTracking.expected

@@ -4,6 +4,8 @@
 | partialCalls.js:4:17:4:24 | source() | partialCalls.js:30:14:30:20 | x.value |
 | partialCalls.js:4:17:4:24 | source() | partialCalls.js:41:10:41:18 | id(taint) |
 | partialCalls.js:4:17:4:24 | source() | partialCalls.js:51:14:51:14 | x |
+| promise.js:4:24:4:31 | source() | promise.js:4:8:4:32 | Promise ... urce()) |
+| promise.js:5:25:5:32 | source() | promise.js:5:8:5:33 | bluebir ... urce()) |
 | thisAssignments.js:4:17:4:24 | source() | thisAssignments.js:5:10:5:18 | obj.field |
 | thisAssignments.js:7:19:7:26 | source() | thisAssignments.js:8:10:8:20 | this.field2 |
 | tst.js:2:13:2:20 | source() | tst.js:4:10:4:10 | x |

javascript/ql/test/library-tests/TaintTracking/promise.js

@@ -0,0 +1,6 @@
+let bluebird = require('bluebird');
+
+function test() {
+  sink(Promise.resolve(source())); // NOT OK
+  sink(bluebird.resolve(source())); // NOT OK
+}