fix tests. Operators should not equal to other operators with a different position. or even parent.

jedi/evaluate/finder.py

@@ -451,7 +451,7 @@ def get_names_of_scope(evaluator, scope, position=None, star_search=True, includ
     After that we have a few underscore names that have been defined
 
     >>> pairs[2]
-    (<ModuleWrapper: <SubModule: None@1-5>>, [<FakeName: __file__@0,0>, ...])
+    (<ModuleWrapper: <SubModule: None@1-5>>, [<LazyName: __file__@0,0>, ...])
 
 
     Finally, it yields names from builtin, if `include_builtin` is

jedi/evaluate/helpers.py

@@ -11,7 +11,6 @@ def fast_parent_copy(obj):
     """
     new_elements = {}
     accept = (pr.Simple, pr.NamePart)
-    start=obj
 
     def recursion(obj):
         if isinstance(obj, pr.Statement):
@@ -93,6 +92,7 @@ def call_signature_array_for_pos(stmt, pos):
                 if new_arr is not None:
                     return new_arr, index
 
+                # TODO couldn't we merge with the len(arr) == 0 check?
                 if arr.start_pos < pos <= stmt.end_pos:
                     if arr.type in accepted_types and isinstance(arr.parent, pr.Call):
                         return arr, i

jedi/parser/representation.py

@@ -1587,8 +1587,14 @@ class Operator(Simple):
         return self.get_code()
 
     def __eq__(self, other):
-        """Make comparisons easy. Improves the readability of the parser."""
-        return self.string == other
+        """
+        Make comparisons with strings easy.
+        Improves the readability of the parser.
+        """
+        if isinstance(other, Operator):
+            return self is other
+        else:
+            return self.string == other
 
     def __ne__(self, other):
         """Python 2 compatibility."""