Revert change to QL test

Author: hvitved

ql/ql/test/callgraph/Foo.qll

@@ -10,7 +10,9 @@ class Foo extends AstNode {
   predicate baz() { bar() }
 }
 
-class Sub extends Foo { }
+class Sub extends Foo {
+  override predicate baz() { not super.baz() }
+}
 
 query predicate test2() { any(Foo f).bar() }
 

ql/ql/test/callgraph/callgraph.expected

@@ -6,7 +6,7 @@ getTarget
 | Baz.qll:8:18:8:44 | MemberCall | Baz.qll:4:10:4:24 | ClassPredicate getImportedPath |
 | Foo.qll:5:26:5:30 | PredicateCall | Foo.qll:3:11:3:13 | ClasslessPredicate foo |
 | Foo.qll:10:21:10:25 | PredicateCall | Foo.qll:8:13:8:15 | ClassPredicate bar |
-| Foo.qll:14:30:14:40 | MemberCall | Foo.qll:10:13:10:15 | ClassPredicate baz |
+| Foo.qll:14:34:14:44 | MemberCall | Foo.qll:10:13:10:15 | ClassPredicate baz |
 | Foo.qll:17:27:17:42 | MemberCall | Foo.qll:8:13:8:15 | ClassPredicate bar |
 | Foo.qll:29:5:29:16 | PredicateCall | Foo.qll:20:13:20:20 | ClasslessPredicate myThing2 |
 | Foo.qll:29:5:29:16 | PredicateCall | Foo.qll:26:13:26:18 | ClasslessPredicate alias2 |