JS: Add test case

Author: asgerf

javascript/ql/test/library-tests/PackageExports/notPublic.ts

@@ -0,0 +1,11 @@
+export class PublicClass {
+    protected constructor(p) {}
+    private privateMethod(p) {}
+    protected protectedMethod(p) {}
+    _kindaPrivateMethod(p) {}
+    $kindaPrivateMethod(p) {}
+    #esPrivateMethod(p) {}
+
+    _kindaPrivateFieldMethod = (p) => {};
+    private privateFieldMethod = (p) => {};
+}

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

@@ -15,3 +15,4 @@ getAnExportedValue
 | lib1/reexport/a.js:1:1:3:1 | <toplevel> | reexported | lib1/reexport/a.js:2:17:2:40 | functio ... ed() {} |
 | lib1/reexport/b.js:1:1:6:1 | <toplevel> | base | lib1/reexport/b.js:4:11:4:28 | function base() {} |
 | lib1/reexport/b.js:1:1:6:1 | <toplevel> | reexported | lib1/reexport/a.js:2:17:2:40 | functio ... ed() {} |
+| notPublic.ts:1:1:12:0 | <toplevel> | PublicClass | notPublic.ts:1:8:11:1 | class P ... > {};\\n} |