C#: Small change in the attribute elements test. We now require that the attribute should be in source code and not the attributable.

Author: michaelnebel

csharp/ql/test/library-tests/attributes/AttributeElements.ql

@@ -3,5 +3,5 @@ import csharp
 from Attributable element, Attribute attribute
 where
   attribute = element.getAnAttribute() and
-  (element.(Element).fromSource() or element.(Assembly).getName() in ["attributes", "Assembly1"])
+  (attribute.fromSource() or element.(Assembly).getName() in ["attributes", "Assembly1"])
 select element, attribute, attribute.getType().getQualifiedName()