JS: Add test with destructuring pattern that looks like type annotations

Author: asgerf

javascript/ql/test/query-tests/LanguageFeatures/NonLinearPattern/NonLinearPattern.expected

@@ -1,6 +1,7 @@
 | ts-test.ts:3:13:3:13 | x | Repeated binding of pattern variable 'x' previously bound $@. | ts-test.ts:3:10:3:10 | x | here |
 | ts-test.ts:8:16:8:16 | x | Repeated binding of pattern variable 'x' previously bound $@. | ts-test.ts:8:10:8:10 | x | here |
 | ts-test.ts:11:10:11:10 | x | Repeated binding of pattern variable 'x' previously bound $@. | ts-test.ts:11:7:11:7 | x | here |
+| ts-test.ts:21:8:21:13 | string | Repeated binding of pattern variable 'string' previously bound $@. | ts-test.ts:20:8:20:13 | string | here |
 | tst.js:3:13:3:13 | x | Repeated binding of pattern variable 'x' previously bound $@. | tst.js:3:10:3:10 | x | here |
 | tst.js:8:16:8:16 | x | Repeated binding of pattern variable 'x' previously bound $@. | tst.js:8:10:8:10 | x | here |
 | tst.js:11:10:11:10 | x | Repeated binding of pattern variable 'x' previously bound $@. | tst.js:11:7:11:7 | x | here |

javascript/ql/test/query-tests/LanguageFeatures/NonLinearPattern/ts-test.ts

@@ -15,3 +15,12 @@ var { x: x, x: y } = o;
 
 // OK
 var { p = x, q = x } = o;
+
+function f({
+    x: string,
+    y: string  // NOT OK
+}) {
+}
+
+function g({x, y}: {x: string, y: string}) { // OK
+}